Property:Etymology

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H
Greek hydor, water, and angeion, diminutive of angos, vessel or container, alluding to shape of mature, dehisced capsule  +
referring to superficial resemblance to some species of Hydrophyllum  +
Greek hydr-, water, and -illa, diminutive  +
Greek hydr-, water, and chari, grace  +
Greek hydro, water, and clavis, club-shaped, presumably from shape of pistils  +
Greek hygros, wet, and genus Amblystegium  +
Greek hygros, wet, and genus Hypnum, alluding to habitat  +
Greek hyle, forest, and Cereus, the genus from which this segregate was removed  +
Genus Hylocomium and Latin - astrum, incomplete resemblance  +
Greek hylokomos, forest inhabitant, alluding to habitat  +
Greek hyle, wood, and genus Telephium  +
Greek hymên, membrane, and kallos, beauty, in reference to the corona  +
Greek hymen, membrane, and pappos, pappus, alluding to membranous pappus scales  +
Greek hymen, membrane, and phyllon, leaf  +
Greek hymen, membrane, and stylos, pillar, alluding to systylius capsule  +
Greek hymen, membrane, and thrix, hair, possibly alluding to scarious-aristate pappus scales  +
Greek hymen, membrane, and oxys, sharp, alluding to aristate pappus scales  +
Greek hyo, rain, and philia, fondness, alluding to wet habitats  +
Genus Hyophila and Greek adelphus, brother  +
Greek hyper, above, and eikon, image, alluding to ancient Greek custom of decorating religious figures with Hypericum species to ward off evil spirits  +
Greek hypnos, sleep, alluding to ancient use as filler for cushions  +
Greek hypo, beneath, and choiras, pig, alluding to pigs digging for roots  +
Greek hypo, below, and lepis, scale, in reference to position of sori under the revolute leaf margin  +
Greek hypo, beneath, and pterygion, small wing, alluding to underleaves  +
Greek hypo, under, and oxys, sharp, referring to the pointed bases of the ovaries  +
I
Name used by Dioscorides for an Iberian plant  +
Derivation unknown  +
For the state Idaho  +
Derivation uncertain  +, perhaps after Lake Iliamna in Alaska  +
Latin illicere, to allure  +
Latin imbrex, roof tile, and Greek bryon, moss, alluding to strongly overlapping leaves  +
Latin indusium, tunic, and -ella, diminutive, alluding to inrolled hyaline leaf margins  +
Greek inaein, to clean, alluding to medicinal effects  +, or Latin inula, an ancient name for elecampane  +
Greek iodes, violet-colored, and anthos, flower  +
Greek ion, violet, and aktis, ray, alluding to colored ray florets  +
Greek ion, violet, and opsis, having the appearance of  +
Greek eiresione, a wreath or staff entwined with strips of wool, alluding to the long woolly hairs often encircling the calyx  +
Greek iris, rainbow  +
Greek isatis, name used for a dye plant, most likely woad  +
Etymology unknown  +
Greek iso -, same, and carphos, small dry body, evidently alluding to uniform receptacular paleae  +
Greek isos, equal, and kome, hair of the head  +, “so called from its equal flowers” (protologue)  +
Greek, isos, equal, similar, and lepis, a scale  +
Genus Isopterygium and Greek - opsis, resembling  +
Greek isos, equal, and pteron, wing, alluding to complanate leaves  +
Greek isos, equal, and theke, case, alluding to symmetric capsule  +
Greek iso, equal, and tri, 3  +, probably referring to 3 sepals of equal size and shape  +
Greek isos, equal, and etos, year, referring to evergreen habit of some species  +
Greek itea, willow, alluding to willowlike leaves  +
Etymology uncertain  +, perhaps for Ajuga iva, a mint with similar odor  +
For Eli Ives, 1779–1861, professor of pediatrics, materia medica, and botany at Yale University  +
For Zennoske Iwatsuki, b. 1929, Japanese bryologist, and Latin -ella, diminutive  +
No etymology in protologue  +
J
For Nicolaus Joseph von Jacquin, 1727–1817, Austrian botanist  +
For August Jaeger, 1842 – 1877, Swiss bryologist  +
For Félix Jafuell, 1857–1931, clergyman who collected plants in South America, and Greek bryum, moss  +
For Edwin P. James, 1797–1861, American physician and naturalist on the Stephen Harriman Long expeditions of 1819 & 1820  +
For Robert Leslie James, 1897–1977, American botanist and historian, and Greek anthos, flower  +
Greek iatros, physician, and trophe, food, alluding to use of J. curcas as purgative  +
For J. H. Jaume St. Hilaire, 1772–1845, French botanist  +
Spanish jefe, chief  +, for Billie Lee Turner, b. 1925, Texan, botanist  +
Named for Thomas Jefferson (1743-1826), third president of the United States  +
For Jens Christian Clausen, 1891–1969, Californian botanist  +
For Willis Linn Jepson, 1867–1946, California botanist  +
for John Thomas Howell, 1903–1994, California botanist and Eriogonum scholar  +
Latin Jovis, Jupiter, and barba, beard, alluding to fringed petals  +
classical name for the genus  +
for Thomas Drummond  +
Latin juniperus, name for juniper  +
K
Apparently from Chinese name for one of the species  +
Derivation obscure, perhaps for Anders Kallström, 1733–1812, a contemporary of Scopoli  +
For Peter Kalm, 1715–1779, Swedish botanist, pupil of Linnaeus, collector in eastern North America  +
Genus Kalmia and Greek opsis, resemblance  +
For Baron W. F. von Karvinsky, 1780–1855, botanical collector in Brazil and Mexico  +
For David Daniels Keck, 1903–1995, California botanist, and ella, honor  +
For Francis Duncan Kelsey, 1849 – 1905 Montana Botanist  +
For William Kerr, d. 1814 collector in the far east, sponsored by Royal Botanic Gardens, Kew, and superintendent of Botanic Garden, Peradinaya, Sri Lanka  +
For Frantz Caspar Kiaer, 1835–1893, Norwegian bryologist  +
For Jean Jacques Kickx, 1842–1887, Belgian botanist  +
For Nils Conrad Kindberg, 1832 – 1910, Swedish bryologist  +
Etymology unknown  +, possibly an oblique reference to the leaves as a source of dye like indigo  +
for J. P. von Cobres, 1747–1823, German bibliophile  +
For W. D. J. Koch, 1771–1849, German naturalist and physician  +
For Christoph Ludwig Koeberlin, 1794–1862, German clergyman and botanist  +
For Johann Gerhard König, 1827–1785, pupil of Linnaeus  +
Genus Kopsia and Greek -opsis, resemblance  +
For Vincenz Franz Kosteletzky, 1801 – 1887, Czech botanist  +
For either Johann Georg Heinrich Kramer, 1684–1744, Austrian Army physician and botanist, or his son William Heinrich Kramer, d. 1765, Austrian physician and naturalist, or both  +
For Antonio Krapovickas, b. 1921 Argentinian botanist  +
for S. P. Krasheninnikova, 1711–1755, academician and professor in Saint Petersburg, author of the first flora of Saint Petersburg  +
For David Krieg, 16??–1713, plant collector in Maryland and Delaware  +
For Carl Wilhelm Krug, 1833–1898, major collaborator with Urban on the West Indian flora, and Greek dendron, tree  +
For Donald William Kyhos, b. 1929, Californian botanist  +
for Peter Kylling, Danish botanist, d. 1696  +
L
Greek lachne, wool, and anthos, flower, in reference to pubescent flowers  +
Greek lachnos, wool, and chaulos, stem, in reference to the long, soft, upwardly pointed hairs on scapes of the type  +
No etymology in protologue  +, traceable to Latin lac, milk, alluding to the milky sap  +
For Mariano Lagasca y Segura, Spanish botanist at the Madrid Botanical Garden  +
Greek lagenos, flask, alluding to shape and use of fruit  +
For Magnus Lagerstroem, 1696–1759, friend of Linnaeus and supporter of Uppsala University  +
Greek lago, hare, and phyllon, leaf, alluding to sericeous leaves of original species  +
Greek lagos, hare, and otos, ear, alluding to calyx of some species  +
Genus Laguna, for Andrés de Laguna, 1499 – 1559 Spanish botanist and physician to Pope Julius III, and - aria, similarity  +
Latin laguncula, flask or bottle, and aria, pertaining, alluding to fruit shape  +
For F.L. de Laporte de Castelnau, leader of expeditions to South America  +
Greek lapsanae, a vegetable mentioned by Dioscorides, perhaps actually Raphanus, with lyrate leaves resembling those of Lapsana  +
Lapsana, generic name, and Latin - astrum, indicating inferiority or an incomplete resemblance  +
Latin larix, name for larch  +
For Juan Antonio Pérez Hernández de Larrea, 1730–1803, Catholic bishop of Valladolid, Spain  +
Alteration of genus name Lasianthus  +, Greek lasios, hairy, and anthos, flower  +
For José Victorino Lastarria Santander, 1817–1888, lawyer and founder of the Liberal Party in Chile  +
Greek, for a student of Plato, said to have been a woman who dressed as a man  +
For J. Cl. M. Mordant de Launay, 1750–1816, lawyer, later librarian at Musée d’Histoire Naturelle, Paris  +
For Lavater family, 17th-century physicians and naturalists of Zurich  +
For George Tradescant Lay, a naturalist on Beechey’s voyage (1825–1828)  +
For René-Théophile-Hyacinthe Laënnec, 1781–1826, French physician, inventor of the stethoscope  +
For Melines Conkling Leavenworth, 1796–1862, American physician and botanist who collected in the southeastern United States  +
For Johan Leche, 1704 – 1764, Swedish botanist  +
For G. W. Leibnitz, 1646–1716, philosopher, political advisor, mathematician, and scientist  +
named for Dr. Edward Frederick Leitner, 1812-1838, German physician, naturalist, and explorer of southern Florida  +
Greek name of a water plant  +
Greek lenos, trough, and phyllon, leaf  +
Greek leon, lion, and odons, tooth, alluding to deeply toothed leaves  +
Greek lepis, scale, and anthos, flower, referring to small, scalelike flowers  +
Greek lepidion or lepidos, scale, alluding to appearance of fruit  +
Greek lepidos, scale, and sparton, Spanish broom (the plant)  +
Greek leptos, slender, and arrhen, male, alluding to stamen filaments  +
Greek leptos, narrow, and genus Bryum, alluding to leaf shape  +
Greek leptos, thin, alluding to fine outline of laminal cells  +
Greek leptos, delicate, and odon, tooth, alluding to peristome  +
Greek leptos, slender, and odontos, tooth, alluding to narrow peristome teeth  +
Greek leptos, thin, and hymen, membrane, alluding to endostomial basal membrane  +
Greek, leptos, slender, and genus Pterigynandrum y  +
Greek leptos, slender or small, and sperma, seed, alluding to form and size  +
Genus Leptostomum and Greek -opsis, resemblance  +
Greek lepyron, scale, and petalon, petals, alluding to scalelike petals inserted into calyx  +
Greek lepyron, rind or husk, and diklis, double-folding, alluding to two-valved capsule  +
For Charles Léo Lesquereux, 1806 – 1889, Swiss-American bryologist and paleontol o gist  +
For Nathanael Gottfried Leske, 1751 – 1786, botanist of Lei p zig  +
Genus Leskea and Latin - ella, dimin u tive  +
For C. F. Lessing, 1809–1862, German-born botanist, his nephew K. F. Lessing, and grandfather G. E. Lessing  +
Leucanthemum, a genus name, plus Latin - ella, diminutive  +
Greek leuco- , white, and anthemon, flower  +
Greek leuc-, white, and Iva, a related genus, perhaps alluding to white indument of leaves  +
Greek leukos, white, and bryon, moss  +
Greek leucos, white, and krinon, lily  +
Greek leukos, white, and odon, tooth, alluding to pale peristome teeth  +
Greek leukos, white, and ion, violet, alluding to the color and scent of the flowers  +
Greek leucos, white, and lepis, scale, alluding to stem leaves  +
Greek leukos, white, and phyllon, leaf  +
Greek leucos, white or clear, and spora, seed, alluding to transparency of matured seeds  +
Greek name for a princess of Babylon  +
For Meriwether Lewis, 1774–1809, American explorer  +
Derivation unknown  +
for Marie A. Libert, 1782–1863, Belgian botanist and student of liverworts  +
Misspelled anagram of local French Guiana name caligni  +
local name in French Guiana  +
Latin, ligula, little tongue, and -aria, pertaining to or possession of  +, alluding to corollas of radiate heads  +
for French botanist Alire Raffeneau-Delile, 1778–1850  +
Greek lirion, white lily  +
Latin limbus, border, and -ella, diminutive, alluding to limbate leaf margins  +
Greek limne, marsh, and anthe, flower, alluding to habitat  +
Greek limnobios, living in pools  +
Greek limne, pool, and philos, loving, alluding to habitat  +
Greek leimon, meadow, referring to frequent occurrence of some species on salt meadows  +
Latin limosus, full of mud, and -ella, diminutive, alluding to habitat  +
Latin linum, flax, and -aria, resemblance, alluding to leaf similarity  +
For Sextus Otto Lindberg, 1835 – 1889, Scandinavian br y ologist  +
for John Linder, 1676-1723, Swedish botanist  +
For Franz Balthasar von Lindern, 1682–1755, French botanist and physician  +
For Ferdinand Jacob Lindheimer, 1801–1879, German expatriate, botanist/intellect, settled in Texas  +
Latin lin, flax  +
Greek liparos, fat, greasy, or shining, referring to the almost oily feel and luster of the leaves typical of plants in this genus  +
Greek, leipo, to fall, and carpha, chaff, referring to deciduous transparent inner secondary scale of the spikelet in many species  +
Latin liquidus, fluid, liquid, and Arabic ambar, amber  +
Greek lirion, lily, and dendron, tree  +
For Martin Lister (1638–1711), noted English physician and naturalist  +
Greek lithos, stone, and carpos, fruit, referring to the hard fruit wall  +
Greek lithos, stone, and phragma, hedge or fence, alluding to rocky habitat  +, or an unsuccessful attempt to render Saxifraga in Greek  +
Litsé, the Chinese name for the plant  +
Latin littora, shores, and -ella, small, alluding to small lakeshore habitat  +
for Patrick Murray, Baron of Livingstone (d. 1671), whose collections formed the nucleus of the Edinburgh Botanic Garden  +
for Edward Lloyd (Lhwyd in Welsh), 1660–1709, curator of the Oxford Museum, who first found Lloydia serotina in the mountains of Wales  +
Latin lobulus, small lobe, alluding to small silicles  +
For P. Loefling, 1729–1756, Swedish botanist and explorer  +
For Leopold Loeske, 1865 – 1935, German bryologist and journalist, and Greek bryon, moss  +
For Leopold Loeske, 1865–1935, German botanist, and Greek hypnum, lichen or, by usage, pleurocarpous moss  +
anagram of generic name Filago  +
Lomaria, a subgenus of Blechnum (Blechnaceae), plus Greek - opsis, like  +
Greek lophia, mane or crest, in reference to pubescence on adaxial sides of tepals  +
Greek lophos, crest, and phoreus, a bearer, in reference to tufts of hairs in areoles  +
For Loran Crittenden Anderson, b. 1936, fervent American enthusiast of Asteraceae, especially Chrysothamnus and related taxa  +
For Paul Günter Lorentz, 1835–1881, German bryologist  +
For Christian Gottlieb Ludwig, 1709–1773, botanist and physician of Leipzig  +
For Friedrich Benjamin Lütke (later russified to Count Fyodor Petrovich Litke), 1797 – 1882 Russian sea captain and Arctic explorer  +
Arabic lufah, name for L. aegyptiaca  +
Anagram of Inula, name of another genus of Asteraceae  +
For Alphonse Luisier, 1872–1957, French bryologist  +
Chilean Native American (Mapuche) name for hardwood of Amomyrtus luma  +
For Istrán Lumnitzer, 1750–1806, Hungarian botanist  +
Latin luna, moon, alluding to persistent, silvery, large fruit septum  +
possibly from Italian lucciola, to shine, sparkle, or Latin gramen luzulae or luxulae, diminutive of lux, light, because hairs of several species have shiny appearance when covered with dew  +
Lycopodium, a genus name, and - ella, diminutive  +
Greek lykos, wolf, and pous, podes, foot  +, in reference to the resemblance of the branch tips to a wolf's paw  +
For Sir Charles Lyell, 1767–1849  +
Greek lygos, twig or stick, and desme, bundle, alluding to clumped, sticklike stems with reduced leaves  +
Greek lygodes, flexible, in reference to the twining rachis  +
For John Lyon, 1765–1814, Scottish-born, early American botanist and explorer of southern Appalachians  +
For William Scrugham Lyon, 1851 – 1916 botanist, nurseryman, plant collector in California and Philippines, and Greek thamnos, bush or shrub  +
Greek lyra, lyre, and karpos, fruit, alluding to fruit shape  +
Greek lysis, dissolve, and chiton, a tunic, referring to the spathe, which withers soon after flowering  +
Greek lysis, dissolve, and mache, strife, alluding to soothing properties  +
Greek lythron, gore, alluding to use of L. salicaria in arresting hemorrhages  +
M
For Tom J. Mabry, 1932–2015, American botanist and phytochemist  +
Latin machaera, sword, and anthera, anther, alluding to curved, sword-shaped anther appendages  +
for Alexander Macleay, 1767-1848, Scottish botanist, entomologist, and Secretary to the Colony of New South Wales  +
for American geologist William Maclure, 1763-1840  +
Greek makros, large, and aden, gland, probably referring to the prominent viscidium, which is often referred to as a “gland”  +
Greek macros, long, and antheros, anther, alluding to long-exserted stamens  +
Greek macros, long, and kome, hair, alluding to long hairs on calyptrae of some species  +
Greek macros, long, and mitra, cap, alluding to large calyptra  +
Greek makros, large, thelys, female, and pteris, fern  +
From native name in Chile  +
For Pierre Magnol (1638-1715), professor and director of the botanical garden at Montpellier, France  +
Latin Maius, May, and Greek anthemon, flower  +
Ancient name, perhaps from Greek malache, mallow  +
Greek malakos, soft, and melon, apple  +
Greek malakos, soft, or malache, mallow, and thamnos, shrub, alluding to habit  +
Greek malakos, soft, and thrix, hair  +
Greek malaxis, softening, in reference to soft and tender texture of leaves  +
Greek malle, arm-hole, and pherein, to bear, in reference to the seed pockets of the fruits  +
based on anagram of his surname  +, For Edward Palmer, 1831–1911, American field botanist who collected the type material  +
For Marcello Malpighi, 1628–1694, Italian anatomist  +
Latin malus, apple tree  +
Latin name derived from Greek malacho, to soften, alluding to emollient qualities of some species  +
Genus Malva and Latin -astrum, incomplete resemblance  +
Latin, malva mallow, and viscidus, sticky, alluding to sap  +
generic name Malva and Latin -ella, diminutive  +
Latin mamma, breast or teat, alluding to fruit  +
Latin mamilla, nipple, in reference to shap e of tubercles, which produce “milky” white latex in some species  +
For Manfredus de Monte Imperiale, fourteenth-century Italian writer on medical simples  +
From Brazilian vernacular name mani oca, wood spirit root, alluding to use  +
Malabar Manil, from Portuguese Manilhas Insulas (Manila, Philippines), and kara, edible fruit  +
Anagram of specific epithet salmantica  +
for Bartolomea Maranti, Venetian physician and botanist who lived during the mid 1500s  +
For Moses Marshall, 1758–1813, American botanist, nephew of and assistant to Humphrey Marshall  +
for Count Luigi Marsigli (1656–1730), Italian mycologist at Bologna  +
Greek matrix, womb, and - aria, pertaining to  +, alluding to reputed medicinal properties  +
for Car 1863, physicist at the University of Florence, Italy  +
For Pietro Andrea Matthioli, 1500–1577, Italian artist and botanist  +
Genus Maurandya and Latin -ella, diminutive, alluding to presence of personate corolla in Maurandella  +
Latin Mauros, a native of North Africa, and Greek anthemon, flower  +
Latin maxilla, jawbone  +, apparently an allusion to the open-mouth appearance of the flower when viewed laterally  +
for William R. Maxon, (1877–1948), American pteridologist  +
Vernacular Chilean mayten, name for type species  +
Greek mazos, breast, alluding to two ridges on abaxial lip of corolla or to nipplelike tubercles at inner throat of corolla in M. pumilus  +
For Antoni de Meca-Caçador-Cardona i de Beatrin, 1726–1788, benefactor of Royal College of Surgery of Barcelona  +
Greek mekon, poppy, and ella, diminutive  +
for Medea, mythical sorceress  +
For David Meese, 1723 – 1770, Dutch gardener  +
Greek meio-, fewer, and trichos, hair, alluding to calyptra  +
Greek melas, black, and leukos, white, alluding to colors of tree trunk and branches, respectively, in M. leucadendron, the type species  +
Often said (erroneously) to be from Greek melampodion, blackfoot  +, evidently traceable to Melampus, a soothsayer of renown in Greek mythology  +
Greek melam- (combining form of melas before b and p), black, and pyros, wheat, alluding to color of seeds  +
Greek melan, black, and Latin, anthera, anther  +
Greek melas, black, and anthos, flower, alluding to the black perianth in some species  +
Greek melas, black, and stoma, opening, alluding to stained mouth, especially of children, when fruits of some species are eaten  +
Arabic melóchich, name for Corchorus olitorius Linnaeus, a salad plant in the East  +
Greek melothron, ancient name for some fruiting vine, probably Bryonia  +
Greek mene, moon, and sperma, seed  +
For Christian Mentzel, 1622–1701, German botanist  +
For Archibald Menzies, 1754–1842, Scottish physician and naturalist with Vancouver Expedition 1790–1795, whobrought the type species from the Northwest Coast  +
Latin Mercurius, Roman mythological deity, and -alis, belonging to, alluding to belief that it was discovered by him  +
Greek (Latinized) meso, middle, and aden, gland  +
Greek mesembria, midday, and anthemum, blo oming  +
Greek mesos, half, and pilos, felt or ball, perhaps alluding to shape of medlar fruit resembling half a ball  +
Country name Mexico and Latin malva, mallow  +
Greek micros, small, and anthemom, flower  +
Greek mikros, small, and anthos, flower  +
Greek mikros, small, and bryon, moss  +
Greek mikros, small, and gramme, line  +, the sori are elongate in the type species  +
Latin micro-, small, and mitra, headband, alluding to small calyptra  +
Greek micros, little, and Monolepis, the genus in which this ta xon is often placed  +
Generic name Micropus and Greek - opsis, resembling  +
Greek micros, small, and pous, foot, perhaps alluding to tiny receptacles  +
Greek micro -, small, and seris, endive or chicory  +
Greek mikros, small, and stachys, spike, alluding to inflorescence  +
Greek micro- , small, and genus Thlaspi  +
For Mathias Mielichhofer, 1772 – 1847, Austrian collector of generitype specimen  +
For Josef Gottfried Mikan, 1743–1814, professor, University of Prague  +
Greek mimos, imitator, and anthe, flower, alluding to Mimulus-like corolla  +
Latin mimulus, diminutive of mimus, comic or mimic actor, alluding to monkey-faced corolla of some species  +
Greek mimo, ape, and ops, face, alluding to appearance of flower  +
for J. Minuart, 1693–1768, Spanish botanist and pharmacist  +
Latin mirabilis, wonderful  +
Greek plant name used by Dioscorides  +, probably misos, to hate, and pateo, to trample, alluding to erect stems (in contrast to low lying habit of Orontium aquaticum)  +
ella, diminutive, alluding to cap-shaped fruit  +
Greek mnion, moss  +
Latin modiolus, wheel hub, alluding to fruit shape  +
for P. H. G. Moehring, 1710–1791, Danzig naturalist  +
for Conrad Moench, 1744–1805, professor at Marburg, Germany  +
Alluding to Mohave River  +
For Ludwig Molendo, 1833–1902, German muscologist  +
from Galium mollugo, probably because of similarity of whorled leaves  +, Latin mollis, soft or pliant  +
Latin mordicus, biting, alluding to sculptured seed surfaces and margins, appearing as though bitten  +
Greek monos, one, single, and hesis, delight, alluding to attractive, solitary flower  +
For Josephus Monninus (José Moñino y Redondo), eighteenth-century Spanish Count of Florida-Blanca, administrator, and patron of botany  +
Greek monos, solitary, and lepis, scale, for the typically solitary sepal  +
Greek monos, single, and lopos, husk, alluding to phyllaries  +
Greek monos, one, and ptilon, soft feather, alluding to pappus of M. bellidiforme, a solitary plumose bristle  +
Greek monos, one, and tropos, turn or direction, alluding to flowers all turned in one direction on inflorescence axis  +
opsis, resemblance  +
for Giuseppe Monti, 1682–1760, Italian botanist  +
Tamil murungai, twisted pod, alluding to young fruit  +
For Samuel George Morton, 1799–1851, North American naturalist  +
Latin morum, mulberry  +
For Charles A. Mosier, 1871–1936, first superintendent of Royal Palm State Park, Florida’s first state park (now Everglades National Park)  +
Latin mucronis, sharp point, alluding to awns of bracts and involucres  +
for H. G. Muehlenbeck, 1798–1845, Swiss physician  +
Anagram of Allium  +
Latin mulgere, to milk, alluding to milky sap  +
For Abraham Munting, 1626 – 1683 Dutch botanist  +
For P. A. Munz, 1892–1974, American botanist, and Greek thamnos, shrub  +
In honor of Murdan Aly, plant collector and keeper of the herbarium at Saharunpore  +
Arabic mouz  +
Greek moschos, musk, alluding to the scent of the flowers  +
Greek muagron, name used by Dioscorides and Pliny for a species of mustard  +
Greek <i>mycel-</i>, fungus or mass of threads, and <i>-is</i>, association, alluding to tuft of long fine hairs at junction of corolla tube and limb  +
Greek myo, to shut, and poros, hole, alluding to transparent spots on leaves closed with pellucid substance  +
Greek myos, mouse, and otos, ear, alluding to leaves  +
Greek mus, mouse, and oura, tail, from shape and texture of the fruiting head of M. minimus.  +
Genus Myrcia and Greek anthos, flower, alluding to resemblance  +
Greek my for tamarisk or another aromatic shrub  +, possibly from myrizein, to perfume  +
For Claes Gustav Myrin, 1803 – 1835, Swedish bryologist  +
Greek myrios, countless, and phyllon, leaf, alluding to capillary segments of lower and/or submersed leaves  +
Greek name for a kind of myrtle  +
Classical name for a species of myrtle  +
Greek myos, mouse, and oura, tail, alluding to appearance of branches  +
Greek mys, mouse, oura, tail, and clados, branch, alluding to resemblance  +
N
Greek Nnaias, a water-nymph  +
Chinese name meaning "plant from the south"  +
Greek napaea, wood nymph, alluding to woodland habitat  +
from Greek Narkissos, mythological youth who fell in love with his own reflection and changed into a flower  +
Greek Narthex, rod, alluding to appearance of stems  +
Latin nasus, nose, and tortus, distortion, alluding to pungency of plants  +
For Noel Martin Joseph de Necker, 1730 – 1793, French botanist  +
Genus Neckera and Greek -opsis, resemblance  +
Latin nectar, from Greek nektar, and Greek andro, male  +
For Patrick Neill, 1776 – 1851 Scottish printer, naturalist, and secretary of the Caledonian Horticultural Society  +
Etymology uncertain  +, perhaps Latin nec, not, and Greek mya, unknown plant, alluding to segregation from Ampelopsis and Vitis  +
Ceylonese vernacular name  +
Greek nema, thread, and Greek kaulos, stem  +
Greek nema, thread, and stylos, pillar or rod, alluding to the style with threadlike arms  +
Greek neo-, new, gaea, earth or world, and rhinum, nose, alluding to being native to the New World  +
For the Holmgren family: Arthur Hermann Holmgren, 1912–1992, Noel Herman Holmgren, b. 1937, and Patricia Kern Holmgren, b. 1940  +
Greek neos, new, and the genus name Lloydia, for Francis Ernest Lloyd, 1868–1947, Canadian botanist  +
For John Macoun, 1831 – 1920 Canadian botanist and explorer  +
For Guy L. Nesom, b. 1945, American botanist, avid researcher of Asteraceae  +
Greek nephros, kidney, and lepis, scale, in reference to shape of the indusia  +
Greek neros, flowing, and genus Syrenia, presumably alluding to resemblance  +
For J. A. N. de Nesle, eighteenth-century French gardener at Poitiers  +
anagram of generic name Stenotus, wherein these species have previously resided  +
Greek knestron, name for Daphne  +
Greek neuron, nerve, and -ium, resemblance  +, veinlets are embossed  +
For the state of Nevada, where endemic  +
For Reuben Denton Nevius, 1827 – 1913 clergyman and amateur botanist  +
For Jean Nicholas Nicollet, 1786–1843, “…who spent several years in exploring the country watered by the Mississippi and Missouri rivers, and who was employed by the United States Government in a survey of the region….” Quoted from protologue.  +
Latin niger, black, and ella, diminutive  +, pertaining to seeds  +
Greek nipha, snow, and trichos, hair, alluding to hoary appearance owing to hyaline hair-pointed leaves  +
Japanese Nippon, name of Japan, and Greek anthemon, flower  +
Greek nitron, native soda, and philios, loving, for the habitat preference of the plants  +
For Domenico Nocca, 1758–1841, Italian clergyman, botanist, director of botanic garden at Pavia  +
Anagram of genus name Pterogonium  +
for Abbé C. P. Nolin, eighteenth-century French arboriculturist and director of the royal nurseries  +
Mexican Spanish nopal, name for pricklypear cactus and their edible stems  +
Greek notho -, false, and Calaïs, a synonym of Microseris  +
Greek notho-, spurious, and generic name Chelone  +
Greek notho, false, and chlaena, coat, in reference to the reflexed leaf segment margins that form false indusia  +
Greek nothos, false, and scordon, garlic  +
ancient Arabic or Persian name  +
For Thomas Nuttall, 1786–1859, British naturalist and plant collector, and Greek anthos, flower  +
Greek nyct, night, in reference to noctural flowering  +
Greek nymphaia and Latin nymphaea, water-lily, from Latin (nympha) or Greek (nymphe) mythology, goddess of mountains, waters, meadows, and forests  +
Classical Greek name for a water nymph, alluding to habitat  +
O
Derivation unknown  +
Greek okto, eight, and blepharis, eyelash, alluding to peristome teeth  +
Greek odontos, tooth, and -ites, connection or association, alluding to traditional use to treat toothaches  +
Greek odous, tooth, and soros  +, the sori are at the tips of toothed segments  +
Greek odontos, tooth, and stoma, mouth, alluding to the erect, subulate filaments at the flower throat  +
Greek oikeios, of a household (Latin oeceos), and Latin clades, destruction, possibly alluding to breaking up of existing classification  +
Greek oidema, swelling or tumor, and Latin podium, platform, alluding to capsule neck  +
For Augustus Gottlieb Oemler, 1773 – 1852 Savannah pharmacist and entomologist  +
Greek oinos, wine, and thera, seeking or catching, alluding to roots of some unknown plants possessing perfume of wine, perhaps misapplied by Linnaeus  +
For Lorenz Oken, 1779–1851, German naturalist  +
Greek oligos, few, and meros, part, alluding to fewer stamens and petals than in other genera of family  +
Greek oligo-, few, and trichos, hair, alluding to calyptra  +
said by Rafinesque to mean hardly united, alluding to the stamens  +
Greek omalo, even or equal, and theke, container, envelope, or sheath, perhaps alluding to involucres  +
Greek oncos, swelling, and - idium, diminutive, in reference to prominent lip callus  +
Greek onkos, tumor, and phoros, bearing, alluding to goiterlike swelling (struma) at base of capsule  +
Greek onkos, swelling, and siphon, tube  +, allusion unclear  +
Greek onos, vessel, and kleiein, to close, in reference to the sori, which are enclosed by the revolute fertile leaf margins  +
Greek onopordon, name for cotton thistle  +
Latin ophis, snakelike, and glossa, tongue, in reference to the sporophore tip  +
origin uncertain  +, possibly based on name of Greek town (Opus perhaps) where a cactus-like plant grew  +
Greek Oread, mythological nymph of hills and mountains, alluding to alpine habitat  +
Greek oreios, of mountains, and chrysos, gold  +
Greek oreo, mountain, and stemma, crown  +
Greek, ornis, bird, and gala, milk, alluding to the color of the flowers  +
Greek ornithos, bird, and staphyle, cluster of grapes, allusion obscure  +
Greek orobos, a kind of vetch, and anchein, to strangle, alluding to host plant and parasitic habit  +
Greek horos, mountain, and generic name Chaenactis  +
ancient Greek name for plant that grew on River Orontes  +
Greek orthos, straight, and ilium, side or flank, possibly alluding to secund inflorescence  +
Greek orthos, straight, and carpos, fruit, alluding to distinctness from Melampyrum, which has oblique fruits  +
Greek, ortho- , straight, and odon, tooth, alluding to peristome teeth  +
Greek orthos, straight, and theke, case, alluding to erect capsule  +
Greek, orthos, straight, and trichos, hair, alluding to straight, erect calyptral hairs in many species  +
Greek oryche, pit, and phragmos, partition, alluding to fruit septum  +
Greek osma, odor, and aden, gland, alluding to strong-scented, glandular herbage  +
Saxon, Osmunder, name for Thor, god of war  +
Greek osteon, bone, and sperma, seed, alluding to hard fruits of original species  +
Latin ostrya, hop-hornbeam, from Greek ostryos, scale, in reference to the scaly infructescences  +
Malay am ottelambel, apparently from otta, to stick to, in reference to thin leaves that stick to body, and am bel, nymphaea  +
Greek oxys, acid, and -alis, with the nature of, alluding to supposed medicinal use  +
Greek oxys, sharp, and carya, nut  +
Greek oxys, sour, and dendron, tree, alluding to taste of twigs and leaves  +
Greek oxys, sour, and -aria, possession, alluding to acidic leaves  +
Greek oxys, acute, and rhynchos, nose, alluding to beaked operculum  +
Greek oxys, sharp, and stylos, pillar, alluding to style  +
Greek oxytenes, acuminate, “in allusion to the rigid narrow foliage”  +
Greek oxys, sharp, and theke, case, alluding to awned involucre  +
Greek oön, egg, and - opsis, likeness, alluding to a perceived egglike appearance of heads  +
P
Greek pachys, thick, and Cereus, a genus of cacti  +
Greek <i>pachys</i>, stout, and <i>pachys</i>, man, alluding to thickness of staminal filaments  +
For John G. Packer, b. 1929, Canadian botanist  +
Greek Paeon, physician to the gods, who supposedly used the plant medicinally  +
For General José Palafox, 1776–1847, Spanish patriot  +
Greek palame, palm, and clados, branch, alluding to spreading branches, although inappropriately  +
for R. T. Palhinha (1871–1950), a Portuguese botanist  +
Classical Greek name, perhaps derived from pálin, again or once more, and oúron or oureó, urine or to make water, alluding to diuretic properties of roots and leaves of P. spina-christi  +
Latin palus, marsh, and - ella, diminutive, alluding to habitat  +
Latin palustris, marshy, and -ella, diminutive, alluding to habitat  +
classical Latin name for poppy  +, perhaps from Greek papa (pap), alluding to the thick, sometimes milky sap  +
Latin papula, nipple, alluding to leaf cell papillae  +
Greek para-, near, and genus Leucobryum, alluding to resemblance  +
Greek para, beside or near, and generic name Senecio  +
Latin paries, wall, referring to habitat of original species  +
Greek Parnassos, alluding to fabled origin on slopes of Mount Parnassus  +
Greek para- , beside, and onyx or onychos, fingernail, alluding to use for treating whitlow or felon, a disease of the fingernails  +
For William E. Parry, 1790–1855, arctic explorer during whose first expedition to the North American Arctic (1819–1820) specimens of the genus were first collected  +
No etymology in protologue  +, evidently alluding to similarities to members of genus Parthenium  +
Greek parthenos, virgin, or parthenion, ancient name of a plant  +, allusion unclear  +
Greek parthenos, virgin, and kissos, ivy  +, equivalent of vigne vierge, French name for type species, P. quinquefolia  +
For D. B. Pascal, French/Italian physician/botanist, once director of royal garden at Parma  +
Latin passio, passion or suffering, and flos, flower, alluding to floral morphology perceived to symbolize Christ’s crucifixion  +
For Anna Paulowna Romanov, 1795–1865, Grand Duchess of Russia and daughter of Czar Paul I, Hereditary Princess of the Netherlands  +
For José Antonio Pavón, 1754 – 1844, Spanish physician and botanist  +
Greek pachos, thick, and stigma, alluding to slightly enlarged stigma  +
For Edwin Blake Payson, 1893–1927, American botanist and first monographer of Lesquerella  +
Latin pectinatus, in the form of a comb, and plumula, feathery, for the leaf blades  +
Greek pecten, comb, alluding to ciliate leaf margins  +
Latin pediculus, louse, alluding to belief that livestock feeding on P. palustris developed lice  +
Greek pedio, a plain, referring to its supposed habitat, and Cactus, an old genus name  +
Greek pelex, helmet, in reference to dorsal sepal, which is united with petals to form narrow hood  +
Greek pellos, dark, possibly referring to bluish gray leaves  +
Greek pelte, small shield, and andros, male, referring to the shield-shaped tops of the staminate flowers  +
Greek penios, thread, and Cereus, a genus of cacti  +
For Francis Whittier Pennell, 1886–1952, American botanist  +
Greek pente, five, and stemon, stamen, alluding to the conspicuous nature of the staminode  +
Greek pente, five, and chaite, long hair, alluding to 5 pappus bristles of type species, Pentachaeta aurea  +
Greek penta, five, and gramma, lines (as in written characters), for the pentagonal leaf blades  +
Greek pente, five, and horos, limit or landmark, alluding to 5-merous flower  +
For Hendrik Christian Pentz, 1738–1803, Swedish plant collector  +
Genus Pera and Greek phyllon, leaf, alluding to resemblance to leaves of P. arborea  +
For Nicolas Claude Fabri de Peiresc, 1580–1637, French scholar  +
Greek, peri, very, and callos, beautiful, used by Homer for “very beautiful”  +
Greek peri, around, and come, tuft of hairs, alluding to ciliate margins of cypselae  +
Greek peri, all around, and tome, cutting, perhaps alluding to dehiscence of fruit  +
Greek peri, around, and tyle, a callus, alluding to calloused cypselae margins  +
used by Theophrastus for an oriental tree  +
Latin, persica, peach, and - aria, pertaining to, alluding to resemblance of leaves of some species  +
Greek petalon, petal, and onyx, claw, alluding to distinctive petal morphology  +
Attributed to Dioscorides, Greek petasos, broad-brimmed hat, alluding to large basal leaves  +
For James Petiver, 1658–1718, English apothecary and botanist  +
Greek petros, rock, and doria, an early name for goldenrods  +
Greek petros, rock, and phyton, plant, alluding to habitat  +
Greek petra- , rock, and rhagas, rent or chink, translation of Latin saxifraga, rockbreaking, alluding to prevalence in rock crevices  +
Greek peuke, pine or fir, and phyllon, leaf  +
Greek phalakros, bald-headed, and seris, a kind of endive  +
Greek phaneros, free, and phlebium, vein, for the nonanastomosing venation found in the type species, P. nobilis  +
Greek phaulos, paltry, uncomely, ill to handle, and thamnos, shrub  +
Greek mythological name, possibly for Phaedimus, mythical son of Amphion and Niobe, slain by Apollo  +
Greek phegos, beech, and pteris, fern  +
apparently Greek ephemeros, living for one day, and anthos, flower  +
Greek phil-, loving, and adelphos, brother, traditionally (but on uncertain grounds) considered to be an honorific for Ptolemy Philadelphus, 309–246 B.C.E., King of Ptolemaic Egypt  +
Greek philo- , loving, and notis, moisture, alluding to habitat  +
Greek phlebos, vein, referring to the prominent venation  +
based on epithet of Lycopodium phlegmaria  +, Greek phlegma, flame, and oura, tail  +, in reference to the tasslelike fertile portions of the plant  +
Greek phoebus, the sun, and anthos, flower  +
Greek phoenix, date palm, and kaulos, stem, alluding to petiolar remains  +
derivation uncertain, perhaps for the Phoenicians, known for a dye that was similar in color to ripening dates  +, name used by Theophrastus for the date palm  +
Greek phor, thief, and dendron, tree, alluding to parasitism  +
Greek photeinos, shining, alluding to leaves  +
Derivation unknown  +
Genus Phyllanthus and Greek -opsis, resembling  +
Greek phyllon, leaf, and anthos, flower, alluding to apparent production of flowers on leaves (actually plagiotropic branchlets) of some species  +
A sea-nymph in Greek mythology, allusion obscure  +
Greek phyllon, leaf, and spadix, spadix  +
Greek physa, bladder, alluding to inflated fruits of some species  +
Genus Physcomitrium and Latin -ella, diminutive  +
Greek physa, bladder, and mitrion, little turban, alluding to often urn-like calyptra  +
Greek physa, bladder, and karpos, fruit, alluding to inflated follicles of some species  +
Greek phyton, plant, and Latin lacca, crimson dye, in reference to the pigment the berries yield  +
Latin picis, pitch, name of a pitchy pine  +
Generic name Picradenia and Greek - opsis, resembling  +
Greek picro, bitter  +
Greek picris, bitter or sharp  +, allusion unclear  +
Greek picro- , bitter, and thamnos, bush, alluding to bitterness of the plants  +
Latin name for one of the Muses  +
Latin pileus, felt cap, because of the calyx covering the achene  +
Greek pilos, felted hairs, and -ion, diminutive, alluding to rhizoids  +
Latin pilosus, shaggy, and Cer eus, a genus of cacti  +
Greek pilos, cap, and stylos, pillar or column, alluding to style terminated by caplike stigma  +
Latin pilula, a little ball, in reference to the spheric sporocarps  +
Greek pinaro, dirty, squalid, and pappos, pappus, alluding to color of pappi  +
Latin pinus, name for pine  +
For C. V. Piper, American botanist of the Pacific Northwest  +
For Louis Piré, 1827 – 1887, Belgian bryologist and father-in-law of Jules Cardot, and Latin - ella, diminutive  +
Common name in Guiana  +
Latin Piso, for Willem Pies, c. 1611–1678, Dutch physician and botanist who collected in northeastern Brazil in the mid-eighteenth century under the auspices of Prince Johan Maurits van Nassau  +
Greek pistra, watertrough, in reference to the aquatic habitat  +
Greek pitys, pine, and opsis, appearance or likeness, alluding to pine-needlelike leaves of P. pinifolia  +
Greek pityos, pine, and pous, foot, alluding to habitat  +
Greek pityros, bran, and gramma, lines (as in written characters), referring to the farina covering the abaxial leaf blade surface  +
Genus Plagiobryum and Greek -oides, similarity  +
Greek plagios, oblique, and bryon, moss, alluding to markedly oblique mouth of capsule  +
Greek plagios, oblique, and mnion, moss, alluding to arching sterile stems  +
Greek plagios, oblique, and pous, foot, alluding to curved seta  +
Greek, plagios, oblique, and theke, case, alluding to capsule orientation  +
for Johann Jacob Planer, German botanist and physician, 1743-1789  +
Greek planis, wanderer, and –odes, resemblance, alluding to original assignment to another genus  +
Latin planta, sole or flat, and -ago, resemblance, alluding to leaf shape of P. major  +
Greek platys, broad, and anthera, anther  +
Greek platanos, perhaps from platys, broad, for the wide leaves  +
Greek platys, broad, and eilema, envelope, alluding to broad phyllaries  +
Greek platys, broad, and dictyon, net, alluding to pattern of laminal cells  +
Greek platys, broad, and gyros, circle, alluding to wide annulus  +
Genus name Platyloma and Latin -ella, diminutive, alluding to replaced later homonym  +
Greek platys, broad, and genus Schkuhria  +
Greek platus, broad, and stemon, stamen  +
Greek platy, broad, and thely(s) , woman, alluding to the broad, flat rostellum  +
Probably for Julius August Plaubel, fl. 1828–1834, mycologist and homeopathist of Gotha, Thuringia  +
Greek plektos, woven, and kephale, head, alluding to interwoven fringes of phyllaries  +
for Auguste Plée, 1787–1825, French traveller in the New World  +
Greek pleio, in compounds, more than usual, and acanthos, a prickly plant, or acantha, thorn  +
Greek pleos, many, and pelte, shield, in reference to the peltate scales covering immature sori  +
Greek pleros, very many, aden-, gland, and -phoros, bearing, alluding to many glands on leaves and subtending floral bracts  +
Greek pleurikos, of the side, and spora, sown seed, alluding to parietal placentation  +
Greek pleura, side or rib, and chaite, long hair or mane, alluding to laterally borne sporophytes  +
Greek pleura, side, and korone, crown, alluding to squamellae that appear to form a crown subtending bristles  +
Greek pleuron, rib, and thallos, branch, referring to cespitose, slender, aerial shoots  +
Genus Pleurozium and Greek opsis, resembling  +
Greek pleura, side, and ozos, branch, alluding to pinnate branching  +
For Abbé N. A. Pluche, 1688–1761, French naturalist  +
Latin plumbago, a leadlike ore, alluding to historical use as a cure for lead poisoning  +
Greek podos, foot, and phyllon leaf  +
Greek podos, foot, and stemon, stamen, alluding to stamens elevated on foot-stalk (andropodium)  +
Greek pogon, beard, alluding to hairy calyptra  +
Greek pogonias, bearded, alluding to bearded lip  +
For Johann Emanuel Pohl, 1782 – 1834, physician of Dresden  +
Greek polys, many, and anisos, unequal, alluding to stamens  +
Greek poly-, numerous, and karpos, fruit, alluding to the numerous capsules  +
Greek polys, many, and karpos, fruit, alluding to numerous capsules  +
Greek poly, numerous, and kneme, limb, in reference to the numerous branches resembling the spokes of a wheel  +
Greek polys, many, and ctenos, comb, alluding to leaves  +
Greek polys, much, and gala, milk, alluding to supposed effect on foraging cattle  +
Genus Polygala and Latin -oides, resembling  +
Greek poly- , many, and gony, knee, in reference to the jointed rhizome  +
genus name Polygonum and Latin - ella, diminutive  +
Greek poly, many, and gony, knee joint (traditional interpretation), or gone, seed (grammatically correct interpretation)  +
Greek Polymnia, muse of sacred music and dance  +
Greek poly, many, and pous, podion, little foot, in allusion to numerous knoblike prominences of the stem  +
Greek polys, many, and premnon, stump or stem, alluding to diffuse much-branched habit  +
Greek poly, many, and stachys, spike, alluding to many branchlets of the inflorescence in some species  +
Greek poly, many, and stichos, row, presumably in reference to the rows of sori on each pinna  +
Greek polys, many, and thrix, hair  +, applied in antiquity to plants with fine, hairlike parts, including mosses  +, now alluding to hairy calyptra  +
for Giulio Pontedera, 1688–1757, Italian botanist  +
For Henri de Ponthieu, a West Indian merchant who sent plant collections to Sir Joseph Banks in 1778  +
Latin populus, the people, many fanciful allusions supposed but none certain  +
Greek poros, hole, and phyllon, leaf, alluding to gland-dotted leaf blades  +
Greek poros, hole, and trichos, hair, alluding to perforated inner peristome segments  +
Latin portula, little door, in reference to the lid of the capsule  +
Greek potamos, river, and geiton, neighbor  +
Latin potens, powerful, and - illa, diminutive, alluding to supposed medicinal qualities of some species  +
Genus Poterium and Latin -idium, diminutive  +
Greek poterion, goblet or cup, presumably alluding to shape of hypanthium  +
Galibi name pourama-pouteri  +
For P. C. M. de Pouzolz, botanist and collector in Corsica, France, and the Pyrénées  +
Genus Prenanthes and Latin - ella, diminutive, alluding to original assignment of type species  +
Greek prenes, drooping, and anthos, flower, alluding to drooping heads  +
For John Prescott (d. 1837), a British botanist resident in Russia who traveled widely in northern Asia  +
Latin primus, first, and -ulus, diminutive alluding to early spring blooming  +
Greek prosarto, to append, alluding to the pendulous ovules in the type species  +
Ancient name used by Pliny for a Polygonum taxon  +, derivation uncertain  +, probably for Proserpina, Roman goddess of spring, or Latin proserpo, creep, alluding to habit  +
Greek prostheke, appendix, in reference to appendage on back of column  +
Greek Prunum, plum  +
Provenance of name not stated by author  +
Greek psathyros, brittle, fragile, looseness  +, allusion unclear  +
Genus Psathyrotes and Greek - opsis, appearance  +
Greek pseud- , false, and genus Abutilon  +
Greek pseudo- , false or resembling, and generic name Elephantopus  +
Greek pseud-, false or resembling, and genus Ephemerum  +
Greek pseudes, false, and generic name Bahia  +
Greek pseudes, false, and genus Braunia, alluding to resemblance  +
Greek pseudes, false, and genus Bryum, alluding to similarity  +
Greek pseudes, false, and genus Calliergon  +
Greek pseudes, false, and genus Campylium  +
Greek pseudo, resembling but not equaling, and generic name Clappia  +
Greek pseudes, false, and genus Crossidium  +
Greek pseudes, false, and genus Cryphaea  +
Greek pseudo- , false, and genus Cydonia, alluding to resemblance  +
Greek pseudes, false, and genus Ditrichum, alluding to similar gametophyte morphology  +
Greek pseudo -, deceptively similar, and genus name Gnaphalium, alluding to resemblance  +
Greek pseudo - , false or resembling, and genus Gynoxys  +
Greek pseudes, false, and genus Leskea  +
Greek pseudes, false, and genus Leskeella  +
Green pseudo-, false, and Latin -ella, diminutive, meaning false little Lycopodium, because of its resemblance to Lycopodiella  +
from Greek pseudos, false, and Phoenix, the date palm  +
Greek pseudo, false, and the generic name Orchis  +
Greek pseudo, false, and genus Orontium, alluding to resemblance of seeds  +
Greek pseudo- , false, and genus Scleropodium  +
Greek pseudo- , false, and genus Stellaria, alluding to resemblance  +
Greek pseud os, false, and genus Taxiphyllum  +
Greek pseudo, false, and tsuga, hemlock  +
Ancient Greek name psidion for Punica, alluding to supposed resemblance  +
Greek psilos, bare, and actis, ray, alluding to epappose ray florets  +
Greek psilos, slender, and karphos, chaff, alluding to papery paleae of heads  +
Greek psilos, naked, and pilon, hair, alluding to calyptra  +
Greek psilo- , bare, and strophe, turn  +, perhaps alluding to epaleate receptacles, which differ from paleate receptacles in Parthenium, to which de Candolle compared Psilostrophe  +
Greek psilos, naked, referring to the plant's leafless aerial shoots  +
Greek pteridion, a small fern  +
Greek pter- , winged, gyne, female, and andros, male, presumably alluding to lateral position of gametoecia  +
Greek pteris, fern, derived from pteron, wing or feather, for the closely spaced pinnae, which give the leaves a likeness to feathers  +
Greek pteron, wing, and kaulos, stem, alluding to stems winged by decurrent leaf bases  +
Greek pteron, wing, glossa, tongue, and aspis, shield  +
Greek pteron, wing, and spora, sown seed, alluding to membranous wing on each seed  +
Greek pteron, wing, and stege, covering, alluding to winged bract  +
Greek pterygos, wing, and neuron, nerve, alluding to longitudinal costal lamellae  +
Greek ptilon, feather, alluding to plumelike habit  +
Greek ptyx, fold, and mitra, turban, alluding to plicate calyptra  +
Greek ptyx, folded, and sperma, seed, in reference to the ridged endocarp  +
Greek ptychos, fold, and stoma, mouth, alluding to pleated appearance of capsule mouth  +
Latin pulex, flea, and -aria, pertaining to  +, alluding to use of the plants as flea repellent  +
Greek phoenikeos, reddish purple, alluding to classical name punicum malum, apple of Carthage  +
For Frederick Traugott Pursh, 1774 – 1820, German botanist, student of North American flora  +
For Auguste Jean Marie Bachelot de la Pylaie, 1786–1856, French bryologist  +
Genus Pylaisia and Greek adelphos, brother, alluding to resemblance  +
Greek pyr, fire, and acanthos, thorn, alluding to fiery thorns  +
Latin pyramis, pyramid, and -ula, diminutive, alluding to calyptra  +
olus, diminutive, alluding to resemblance of leaves  +
Greek pyrrho, flame-colored, and bryon, moss, alluding to peristome  +
Greek pyrrhos, yellowish red, and pappos, pappus, alluding to color of pappi  +
Greek pyrrhos, reddish or tawny, and kome, hair of the head, alluding to reddish pappi in some species  +
Genus Pyrus and Latin -aria, connecting, alluding to pear-shaped fruit  +
Latin pirum, pear  +
Greek pyxidos, small box, and antheros, anther, alluding to opening of anthers by transverse slit, simulating box lid  +
Q
Latin quadra, a square, and - ella, diminutive, alluding to perianth  +
Classical Latin for the English oak, Quercus robur, from some central European language  +
R
Greek rhakos, rag or remnant, and mitra, turban, alluding to calyptra frazzled or lobed at base  +
Greek rhakos, rag or remnant, and pilos, felt cap, alluding to basally torn calyptra of some taxa  +
Latin radiolus, little ray, alluding to rayed capsules  +
For Constantin Samuel Rafinesque, 1783–1840, naturalist and polymath who traveled widely in nineteenth-century America  +
Raillardia, orthographic variant of generic name Railliardia, and Latin - ella, diminutive  +
No etymology in protologue  +, perhaps alluding to association with Mt. Rainier  +
Latin rana, frog, unculus, little, allusion to the wet habitats in which some species grow  +
Greek raphanos, radish  +
Latin rapa, turnip, and -astrum, incomplete resemblance  +
Derivation unknown  +
For Eugene Abraham Rau, 1848 – 1932, American bryologist  +
For Raymond Carl Jackson, b. 1928, American botanist and plant geneticist  +
Latin re- , again, and sedo, calm, assuage, alluding to medicinal properties attributed by Pliny the Elder to plants growing close to Rimini (Italy)  +
For Alvaro Reynoso, 1829–1888, Cuban chemist and agriculturalist, who revolutionized the sugar industry  +
Greek rhabdos, rod, presumably alluding to ribbed capsule, and genus Weissia, alluding to resemblance  +
Greek rhachis, ridge, and theke, case, alluding to ribbed capsule  +
Greek rhagado, crack or split, and - olus, diminutive, perhaps alluding to gaps between margins of enfolding phyllaries  +
Greek rhamnos, prickly shrubs, such as buckthorn  +
Greek rhapidos, a rod, and phyllon, leaf, in reference to the spines of the leafbases, or perhaps meaning having the leaf of Rhapis (a genus of small Asian palms)  +
Greek rheon, a name used by Dioscorides, probably for a plant in this genus  +
Greek rhexis, rupture, alluding to reputed astringent property to cure wounds  +
Greek rhexis, breaking, and phyllon, leaf, alluding to fissile distal leaf margins  +
Greek rhis, nose or snout, and anthos, flower, alluding to protruding adaxial lip of corolla  +
Greek rhinos, snout, and tropis, keel  +, alluding to beaked keel petal  +
Greek rhiza, root, and mnion, moss, alluding to large, branched rhizoids  +
Greek rhiza, root, and phoros, bearing, alluding to conspicuous prop roots  +
Greek rhodon, rose, alluding to odor of rootstock in R. rosea  +
Greek rhodon, rose, and bryon, moss, alluding to leaf rosettes  +
Greek rhodon, rose and dendron, tree  +
Greek rhodon, rose or red, and genus Myrtus, alluding to flower color  +
Greek rhodon, rose, and typos, pattern, alluding to resemblance to genus Rosa  +
Greek rhynchos, beak, and generic name Sida, a lluding to beaked mericarps  +
Greek rhynchos, snout, and spora, seed  +
Greek rhynchos, nose, and stego, cover, alluding to rostrate operculum  +
Genus Rhytidium and Greek adelphos, brother, alluding to relationship  +
Genus Rhytidium and Greek - opsis, appearance, alluding to similar leaves  +
Greek rhytis, wrinkle, alluding to strongly rugose leaves  +
Arabic ribas, rhubarb, mistakenly applied to currants  +
Latin, tick or louse, alluding to appearance of seeds  +
Latin rigeo, rigid, and pappus  +, alluding to stiff pappus scales  +
For A. Q. Rivinus, 1652–1723, professor of botany at Leipzig  +
Invalid genus name Roellia and Greek bryon, moss, to coin a valid name for the genus  +
For Johann Jakob Roemer, 1763-1819, Swiss physician and naturalist at Zürich  +
For Eugenio Montaña y Roldan Otumbensi, who evidently was heroic in a battle on the plains of Apam  +
for Rev. T. Romney Robinson, 1792-1882, Irish astronomer at Armagh and friend of Thomas Coulter, botanist at Dublin  +
For Romulus, one of the mythical founders of Rome, the type species of the genus being common around that city  +
Saxon rorippen, name cited by Euricius Cordus, 1515–1544  +
Latin name for rose  +
Latin rosula, rosette, and Greek bryon, moss, alluding to clustering of leaves  +
Latin rota, wheel, alluding to whorled leaves of R. verticillaris Linnaeus  +
for Roy Stone, 1836–1905  +
Ancient Latin name for bramble, from ruber, red  +
For Olaus (Olof) Johannes Rudbeck, 1630–1702, and Olaus (Olof) Olai Rudbeck, 1660–1740, father and son, professors at Uppsala University, predecessors of Linnaeus  +
For Ferdinand Ignatius Xavier Rugel, 1806–1878, original collector of the species  +
classical Latin name for sorrel, probably derived from rumo, to suck, alluding to the practice among Romans of sucking the leaves to allay thirst  +
fFor Heinrich Bernhard Ruppius, 1689–1719, a German botanist  +
For Alexander Russell, c. 1715–1768, Scottish physician and naturalist  +
S
derivation of name unknown  +
For F. G. J. von Sachs, 1832–1897, German plant physiologist, noted by Grisebach to be “ingeniosi”  +
Latin saccus, sac, and labium, lip, referring to sac-shaped mentum  +
For Anders Thiodolf Saelan, 1834–1921, Finnish botanist  +
For Augustin Sageret, 1763–1851, French botanist  +
Latin sagina, ancient name for Spergula once included in Sagina, a feasting, fatten, alluding to early use as forage  +
Latin sagitta, arrow  +
Greek sairos, curling back lips to show teeth, and karpos, fruit, perhaps alluding to recurved teeth of capsules  +
Latin sal, salt, cornu, horn, in reference to the appearance of the plant and its association with saline habitats  +
Latin name for willow  +
Latin salsus, salty, for the habitats it occupies  +
for Antonia Maria Salvini,1653--1729, an Italian professor of Greek who helped Micheli with his botanical work.  +
Ancient Celtic name for plant known to Druids  +
For John Herman Sandberg, 1848–1917, Swedish-born American botanist and physician who collected extensively in the Pacific Northwest  +
Latin sanguis, blood, in reference to color of sap  +
Latin sanguis, blood, and sorbeo, to absorb, apparently alluding to traditional European and Asian uses to stop external or internal bleeding, suggested by dark red flowers of some species and medieval doctrine of signatures  +
For Carl Gustav Sanio, 1832–1891, German botanist  +
for Raimond de Sangro, Prince of Sanseviero  +
Greek santalon, derived from Sanskrit chandana, fragrant  +
Latin sanctus, holy, and linum, flax  +, ancient name for a species of the genus  +
Etymology unclear  +, possibly for some member of the Italian family Sanvitali or for a Spanish botanist named Sanvital  +
from Latin saponis, soap, and - aria, pertaining to, alluding to sap  +
Greek sarco, flesh, and batos, bramble, alluding to the leaves and thorns  +
Greek sarco, fleshy, and Latin cornis, horned, in reference to the appearance of the plants  +
odes, resemblance, alluding to red, fleshlike appearance of inflorescence  +
Latin sarmentosus, stoloniferous, and genus Hypnum  +
For Michel Sarrazin de l’Etang, 1659–1734, King’s physician in New France, who sent specimens to Europe  +
For Henry P. Sartwell, 1792–1867, “one of my earliest and most valued botanical correspondents….” Quoted from protologue.  +
Spanish sasafras  +
Greek sauros, lizard, and oura, tail  +
For Nicolas Théodore (1767–1845) and Horace Bénédict (1740–1799) de Saussure, Swiss naturalists  +
Latin saxum, rock, and frango, to break, alluding to growth in rock crevices and/or medical use for kidney stones  +
Genus Saxifraga and Greek opsis, resemblance  +
Latin scabra, rough, and related genus Wyethia  +
For Jacob Christian Schaeffer, 1718–1790, German botanist, zoologist, theologian, and clergyman  +
For Johann Jakob Scheuchzer, 1672–1733, Swiss botanist  +
For Christian Julius Wilhelm Schiede, 1798–1836, a German naturalist and plant collector in Mexico  +
Greek schisis, splitting, and andro, male  +
Greek schistos, split or divided, and -idium, diminutive, alluding to peristome  +
Greek schist, cleft, and phragma, fence, alluding to incomplete septum of ovary and fruit  +
Greek schistos, split or divided, and stego, cover, apparently alluding to erroneous observation that operculum splits  +
Greek schizein, split, i.e., split into narrow lobes  +
For Christian Schkuhr, 1741–1811, German botanist  +
For Ernst Friedrich von Schlotheim, 1764 – 1832, German paleontologist  +
Greek schoinos, rope, and bryon, moss, alluding to appearance of stems, particularly when dry  +
Greek schoenos, rush, and caulos, stem  +
Greek schoenos, rush, and lirion, white lily  +
Greek schoinos, a rush, reed, and plectos, plaited, twisted, woven, in reference to the use of culms in making useful objects  +
Greek schoinos, rushlike plant  +
For Johann David Schoepf, 1752–1800, German physician and botanist  +
For Christian Georg Schwalbe, eighteenth-century medical botanist  +
Genus Schwetschkea and Greek -opsis, resembling  +
Greek skilla, squill, the officinal or its source, Urginea maritima, syn. Scilla maritima  +
classical Latin name for Schoenoplectus lacustris, derivation unknown  +
Latin sciurus, squirrel, and genus Hypnum, alluding to appearance reminiscent of squirrel tail  +
Greek skleros, hard, and anthos, flower, alluding to the indurate hypanthium  +
Greek scleros, hard  +, perhaps in refernce to the hypogynium  +
Greek sclero, hard, cruel, in reference to the hooked spines, and Cactus, an old genus name  +
Greek skleros, hard, and karpos, fruit, alluding to hardened paleae enfolding disc cypselae  +
Greek scleros, hard, and lepis, scale, alluding to pappus  +
Greek skleros, hard, and linon, flax, alluding to fruit  +
Greek skleros, hard, and podion, foot, alluding to stiff seta  +
Greek skolios, crooked, and - pous, footed, alluding to the tortuous, recurved pedicels  +
Greek skolymus, a kind of thistle or artichoke  +, allusion unclear, perhaps for perceived similarity to Cynara, globe artichoke  +
Latin scopa, broom, and -aria, resemblance, alluding to appearance and use  +
Greek skopelos, crag, and philia, fondness, alluding to characteristic rocky habitat  +
Greek scopulus, rock or crag, and phil, fond of, alluding to habitat  +
Latin scorpio, scorpion, alluding to shoot apex curved like a scorpion tail in S. scorpioides  +
Perhaps French scorzonère, “viper’s grass  +, ” allusion unknown  +
For John Scouler, 1804–1871, physician, botanical collector, and naturalist  +
Association with the disease scrofula by the doctrine of signatures  +
ella, diminutive  +
Latin sedeo, to sit, alluding to habit  +
from Selago, an ancient name for Lycopodium, a genus resembling Selaginella, and Latin, -ella, diminutive suffix  +
Greek selene, moon, alluding to resemblance to Lunaria  +
Greek selene, moon, in re ference to nocturnal blooming, and Cereus, the genus from which this segregate was removed  +
For Ignaz Seliger, 1752–1812, Silesian pastor  +
Greek sematos, mark, and phyllon, leaf, alluding to inflated row of alar cells  +
Latin semper, always, and vivum, that which is alive  +
reputedly from Latin senex, old man or woman, alluding to the white pappus bristles resembling the white hair of an elderly person  +
For Sequoyah, also known as George Guess, inventor and publisher of the Cherokee alphabet  +
Sequoia, generic name of coast redwood, and Greek dendros, tree  +
for Sereno Watson, 1826–1892, botanist  +
Greek sericos, silky, and carpos, fruit, alluding to densely pubescent cypselae  +
Greek sésamon (Arabic simsim), literally meaning plant oil  +
Latin Sesuvium, apparently the country of the Sesuvii, a Gallic tribe mentioned by Caesar  +, reason for application to this genus unknown  +
For Henry Seymer, 1714–1785, British collector  +
For John Shepherd, 1764–1836, curator of the Liverpool Botanic Garden  +
For Lloyd Herbert Shinners, 1918–1971, botanist, long at Southern Methodist University, founder of the journal Sida  +
For Lloyd H. Shinners, 1918–1971, American botanist  +
For Charles Wilkens Short, 1794–1863, Kentucky botanist  +
Anagram of generic name Arabis  +
Genus Sibara and Greek opsis, appearance  +
For Robert Sibbald, 1642–1722, professor of medicine at Edinburgh  +
Genus Sibbaldia and Greek – opsis, resembling  +
Greek sikyos, cucumber or gourd  +
Greek sikyos, cucumber or gourd, and sperma, seed  +
Greek side, name used by Theophrastos for plants now called Nymphaea alba Linnaeus  +
Generic names Sida and Alcea, alluding to resemblances  +
Generic name Sida and Latin -astrum, resembling  +
Greek sideros, iron, and xylon, wood, alluding to durability  +
Greek sidus, star, and theke, case, alluding to starlike involucres  +
For Johann August Carl Sievers, 1762–1795, German-born apothecary who explored eastern Russia in search of medicinal rhubarb  +
Greek seilenos, probably derived from Silenus, the intoxicated foster father of the Greek god Bacchus, who was described as covered with foam  +, perhaps allud-ing to the viscid secretion covering many species  +
Greek silphion, an unknown plant appearing on ancient coins of the city of Cyrene  +
Greek silybon, a kind of thistle  +
For Thomas Williams Simmonds, d. 1804, English naturalist  +
For John Sims, 1749–1831, British physician and botanist  +
Greek sinapi, mustard  +
Greek Sino- , pertaining to China, and generic name Senecio  +
Latinized ancient Greek name used by Dioscorides and Pliny for various species of mustards  +
Greek sys, pig, and rynchos, snout, alluding to swine grubbing the roots for food  +
For John Kunkel Small, 1869–1938, American botanist  +
For Timotheus Smielowsky, 1769–1815, Russian botanist and pharmacist from St. Petersburg  +
ancient Greek name of an evergreen oak  +
For Captain Soleirol, collector in Corsica  +
Latin solidus, whole, and - ago, resembling or becoming, probably alluding to healing properties  +
For Salvador Soliva, an 18th-Century physician to the Spanish court  +
For H. M. C. L. F. zu Solms-Laubach, 1842–1915, German botanist  +
Greek sonchos, ancient name for a kind of thistle  +
Greek sphoron, modest, and anthos, flower, alluding to small flowers  +
Genus Sorbus and Latin - aria, possession, alluding to similar leaves  +
Latin name for service tree, S. domestica Linnaeus  +
Greek sparasso, to tear, alluding to the sometimes lacerated bracts  +
probably Greek sparganion, a name used by Dioscorides for some plant, perhaps Butomus umbellatus Linnaeus  +, derived from sparganon, swaddling band, for strap-shaped leaves  +
Latin spargo, scatter or sow, alluding to discharge of seeds  +
genus name Spergula, and Latin -aria, pertaining to  +
Greek sphaera, sphere, and alkea, mallow, alluding to arrangement of mericarps in a spherical head  +
Greek sphaira, sphere, and meros, a part, alluding to the capitate arrays of heads in S. capitata  +
Evidently from Latin sphagnum, a moss, and cola, dwelling in, perhaps alluding to usually wet habitats  +
Greek sphagnos, an unknown plant  +
Latin spina, spine, in reference to spiny fruit, or Persian ispanakh, spinach  +
Greek speira, to become spiral, alluding to flexile branches being suitable for wreathing into garlands  +
Greek speira, coil, and anthos, flower, in allusion to the spirally arranged inflorescence  +
Greek speira, winding, and delos, distinct  +
Genera Splachnum and Bryum, alluding to resemblances  +
Greek splachnon, tree moss  +
For Edward Smith Stanley, 1775–1851, British statesman and ornithologist  +
Abridged from Greek Staphylodendron, ancient name for the genus  +, Greek staphyle, cluster of grapes, alluding to disposal of flowers and fruits  +
For G. Ledyard Stebbins, 1906–2000, California botanist  +
Greek stego, cover, alluding to concave, protecting leaves  +
Latin stella, star, and - aria, pertaining to, alluding to shape of flower  +
Greek stemon, stamen, and dis, double, alluding to each stamen bearing two anthers  +
Greek stenos, narrow, and anthos, flower, alluding to the narrow tepals  +
Greek stenos, narrow, and Cereus, referring to the genus from which this segregate was removed  +
Greek stenos, narrow, and gonos, seed, alluding to achene  +
Greek stenos, narrow, and rhynchos, snout, alluding to the narrow rostellum on the column  +
Greek stenotes, narrowness, apparently alluding to width of leaves  +
Greek stephanos, crown, wreath, and meris, part, presumably alluding to appearance of plumose bristles of pappus  +
Greek stereos, thick, and phyllon, leaf  +
For Pedro Jaime Esteve (Stevius), d. 1556, noted medical practitioner and botany professor of Valencia, Spain  +
For John Stuart, 1713–1792, Third Earl of Bute  +
For Benjamin Stillingfleet, 1702–1771, British botanist  +
For Jonathan Stokes, 1755–1831, English physician and botanist  +
Latin stramineus, straw-colored, and last element of genus name Calliergon  +
Genus Streptanthus and Latin -ella, diminutive  +
Greek streptos, twisted, and anthos, flower, alluding to crisped petal margin  +
Greek streptos, twisted, and - pous, -footed, alluding to the bent or twisted peduncles  +
Latin strigosus, slender, alluding to habit  +
Latin strigosus, covered with short, bristly trichomes, and –ella, diminutive  +
Greek stylos, column, pillar, or pole, and cline, couch or bed (or gyne, female, specified by Nuttall in protologue), alluding to narrowly cylindric receptacles of the type species  +
Greek stylos, style, and mekon, poppy  +
Greek stylos, style, and phoros, bearing, in reference to the conspicuous style, unusual in the family  +
Arabic assthirak, name for type species, S. officinalis  +
Arabic suaed, black, Arabic name for Suaeda vera Forsskål ex J. F. Gmelin  +
Latin subula, awl, alluding to leaf shape of type species  +
For George Suckley, 1830–1869, physician and naturalist  +
For Wilhelm Nikolaus Suksdorf, 1850–1932, German botanist and collector in the Pacific Northwest  +
For William S. Sullivant, 1803–1873, American bryologist, who collected the type specimen in Ohio  +
For Joseph Donat Surian, d. 1691, French physician who collected plants in the West Indies  +
classical name, derivation unknown, but a name used by Pliny for a kind of palm  +
Greek sym-, united, and blepharis, eyelash, alluding to peristome teeth each parted in distal half into two ciliate divisions  +
Greek symphysis, junction, and trichos, hair, perhaps alluding to a perceived basal connation of bristles in the European cultivar used by Nees as the type  +
Greek symplokos, connected, and karpos, fruit, in reference to the infructescence  +
Greek symplokos, connected, twisted, entwined, evidently alluding to connation of stamens and their adnation to petals in type species, S. martinicensis Jacquin  +
Etymology not clear  +, perhaps alluding to clustering of heads  +
Greek syngonos, joined together, and anthos, flower, from connate petals of pistillate flowers  +
Greek synthlipsis, compression, alluding to flattened fruits  +
Greek syn, together, and thyris, valve, alluding to capsule valves adhering below to the placentiferous axis  +
Greek syn, plus, and trichos, hair, alluding to twisted peristome united by a basal membrane  +
Greek syrrepo, to close the eye, and odon, tooth, alluding to narrow, connivent, horizontal peristome teeth of some species closing capsule mouth upon drying  +
Greek systenos, tapering to a point, and theke, case, alluding to involucre teeth  +
Greek syzgios, joined, alluding to paired leaves and branches  +
T
Etymology unknown  +, possibly from New Latin Tages, an Etruscan god  +
For N. Takaki, 1915–2005, who first collected the genus in Japan  +
From generic name Talinum, and Greek opsis, resembling  +
Apparently from an African vernacular name  +
Malayam thaali, shampoo, and paruthi, cotton, alluding to use and resemblance, respectively  +
Arabic tamr, a tree with dark bark  +
Alluding to the Tamaulipan Desert region, to which the species is restricted  +
Derivation unknown  +, possibly Greek athanasia, immortality, through Medieval Latin tanazita  +
Arabic to Persian talkh chakok, a bitter herb  +
Species Leontodon taraxacoides, alluding to similar leaves  +
Origin obscure  +
Greek taxis, arrangement, and phyllon, leaf, alluding to leaf pattern  +
Greek taxis, order, and thele, nipple, alluding to single row of papillae over cell lumina  +
Taxus, generic name of yew, and Greek -oides, like  +
Latin name for yew  +
For Thomas Taylor, 1775 – 1848, British bryologist and coauthor of the Muscologia Britannica  +
Latin tectum, roof, and aria, a substantive suffix, alluding to the rooflike indusium of some species  +
For Robert Teesdale, 1740–1804, British botanist and gardener at Yorkshire  +
Greek, teleos, complete, and onyx, claw, alluding to petals  +
Anagram of generic name Mitella  +
Greek tephros, ashlike or ash-colored, and seris, endive or chicory, presumably alluding to color of the densely woolly leaves  +
Latin terminus, terminal, and alis, pertaining, alluding to leaf clusters at branch tips  +
Greek tetra, four, and kokkos, kernel or berry, alluding to 4-lobed capsule in T. dioicus  +
Greek tetradymos, fourfold, evidently alluding to numbers of phyllaries and florets in heads of original species  +
Greek tetra, four, and gonia, angle, in reference to the shape of the fruit  +
Greek tetra, four, gonio, angle, and theca, container, alluding to quadrangular involucres  +
Greek tetra, four, and neuron, nerve, alluding to venation of ray floret corollas  +
Greek tetra, four, and probably Graecizied Latin -fid, divided, alluding to peristome  +
Greek tetraplo - , fourfold, and odon, tooth, alluding to arrangement of exostome teeth  +
Greek tettares, four, and pteron, wing, alluding to fruit appearance  +
Greek tessares, four, and zygon or zygos, yoke or crossbar, alluding to 4-merous flowers  +
Greek tetra, four, and odontos, tooth, alluding to peristome  +
Greek thalass, sea  +
For Johann Thal, German physician and botanist who lived during the mid 1500s  +
Thaliktron, an ancient name used by Dioscorides  +
Greek thamnos, shrub, and bryon, moss, alluding to growth form  +
Greek thele, nipple, and sperma, seed, alluding to papillate cypselae of original species  +
Greek thele, nipple, alluding to prominent leaf papillae  +
Greek thele, nipple, and Cactus, an old genus name, in reference to the tubercle shape  +
Genus Thelypodium and Greek opsis, appearance  +
Greek thelys, female, and podion, little foot, alluding to gynophore carrying pistil  +
Greek thelys, female, and pteris, fern  +
Greek theros, summer, and rhodeos, rose, alluding to flowering time and resemblance  +
Greek thes, laboring servant, alluding to simple appearance  +
Greek thespesios, divine, wondrous, or excellent, alluding to planting in sacred groves and use for carving religious sculpture  +
Anagram, for Thomas Smith, English microscopist, died ca. 1825  +
Greek thladias, eunuch, and anthos, flower, alluding to staminodes in neuter flowers  +
Greek thalo, thals - to compress, alluding to flattened fruits  +
Greek thrinax, trident or winnowing fork  +, presumably in reference to shape of leaf  +
Genus Thuja and Latin -idium, diminutive, alluding to branched habit  +
Greek name for some evergreen, resinous trees  +
For naturalist and plant collector Frederick William Thurow, 1852–1952, originally from Germany, of Hockley, Texas, near Houston  +
Greek thymon, thyme, and phyllon, leaf  +
Greek thysanos, fringe, and karpos, fruit, alluding to fruit margin  +
ella, diminutive, alluding to capsule shape  +
For Ivar T. Tidestrom, 1864–1956, Swedish-born American botanist noted for floras of central and western United States  +
Classical Latin name  +
After the Swedish botanist E. Tillands, 1640–1693  +
For Joachim Christian Timm, 1734–1805, botanist and Burgermeister of Malchin, Mecklenberg  +
Genus Timmia and Latin -ella, diminutive, alluding to resemblance  +
for Fran&ccedil  +, ois Tinant, Luxemburger forester  +
Latin tippula, crane-fly, alluding to the resemblance of the flowers to crane-flies  +
From Greek mythology, Tithonus, son of Laomedon and consort of Aurora, symbolic of old age  +, perhaps alluding to gray to white induments of some plants  +
for Thomas Tofield, 1730–1779, English botanist  +
For Toiyabe Mountain Range, Nevada  +, traditional Shoshone, black mountains  +
For William F. Tolmie, 1812–1886, surgeon for Hudson’s Bay Company at Fort Vancouver  +
No etymology in protologue  +, no readily discernible meaning from Greek or Latin roots  +
Probably for Tolumnius, a Rutulian mentioned by Virgil  +
Latin tomentum, wooly hairs, alluding to felted rhizoids, and genus Hypnum  +
Derivation unknown  +, perhaps a misspelling of Latin tenella, delicate, alluding to filiform branches  +
Anagram of generic name Stenotus  +
For Olaf Toren, 1718–1753, Swedish clergyman and naturalist with Swedish East India Company  +
After John Torrey (1796–1873), distinguished U.S. botanist  +
Latin tortus, twisted, and -ella, diminutive, alluding to peristome teeth  +
Latin torta, twist, and -ula, diminutive, alluding to peristome teeth  +
For David Townsend, 1787–1858, American amateur botanist  +
Greek trachys, rough, and cystis, bladder or bag, alluding to mammillose laminal cells  +
Greek trachys, rough, and xiphion, little sword, alluding to leaves marginally roughened by serrations  +
For Joseph Prince Tracy, 1879–1953, Californian botanist  +
for John Tradescant, gardener to Charles I of England  +
For Hieronymus Bock, 1498–1553, German botanist  +, from Greek tragos, goat, bock being the German equivalent  +
Greek tragos, goat, and pogon, beard  +, probably alluding to pappi  +
Latin trans- , across, and Bering Sea, alluding to distribution  +
Greek kalkitrapa, ancient 4-spiked weapon, alluding to spiny fruit  +
for Ernst Rudolph von Trautvetter (1809-1889), Russian botanist  +
Greek trema, hole, and odon, tooth, alluding to perforate peristome teeth  +
Greek tri- , three-, and aden, gland, alluding to staminodal glands alternating with sets of stamens  +
Greek and Latin triadis, a group of three, alluding to 3-merous flowers  +
Greek tris- , three-, and anthos, flower, alluding to aggregation of flowers in threes upon spikes  +
Greek treis, three, and anthemon, flower  +
Greek treis, three, and bolos, a point, for a kind of caltrop, alluding to fruits resembling that ancient metal instrument with three or four spines arranged so that one always projects upward, thrown on the ground to stop cavalry and foot soldiers  +
Greek trichos, hair, and kentron, spur, referring to the slender nectarless spur found in some species of the genus  +
Greek trichos, hair, and koronos, crown, apparently alluding to setiform pappus elements  +
Greek trichos, hair, and odon, tooth, alluding to slender divisions of peristome  +
Greek thrix, hair, and manes, cup, alluding to the hairlike receptacle extending from the cuplike involucre  +
Greek tricho -, hair, and phorum, carrier or stalk  +
Greek tricho- , hairlike, and ptilon, feather, alluding to pappus scales  +
Greek trichos, hair, and stigma, stigma, in reference to the penicillate stigma  +
Greek trichos, hair, and stoma, mouth, alluding to peristome of filiform teeth  +
Etymology recondite  +, perhaps alluding to 3-lobed leaf blades characteristic of original species  +
Latin, one-third of a foot, alluding to height  +
Greek, treis, three, and glochis, a point  +
Latin, trilix, triple, alluding to the flowers having parts in threes  +
Latin trinitas, trinity, alluding to Trinity Lake, type locality of the species, and genus Eurybia, a close relative  +
Greek tri, 3-fold, and phoros, bearing, possibly in reference to the few-flowered inflorescence or the 3 crests on the lip of the type species  +
Greek tria, three, and physarion, small bladder, alluding to three pouches of abaxial corolla lip  +
Greek tri- , three-, pleuro- , ribbed, and sperma, seed, alluding to strongly 3-ribbed cypselae  +
Greek tri, three, pteron, wing, and calyx, in reference to the perianth  +
Greek trion, three, pteron, wing, and klados, branch, alluding to perceived tripinnate branching  +
Latin triquetrus, three edged, and -ella, diminutive, alluding to leaves commonly arranged in three rows  +
Greek tri, three, and teleios, perfect, alluding to all flower parts in threes  +
genus Triteleia and Greek opsis, like  +
For Giovanni Battista Triumfetti, 1658 – 1708, Italian botanist, director of the botanical garden in Rome  +
Greek trixos, 3-fold, describing the 3-cleft corolla  +
German Trollblume, globe-flower  +
Greek tropaion, trophy, alluding to a tree trunk on which were fixed the shields and helmets of defeated enemies  +, Linnaeus was reminded of this on seeing the type species growing on a post, the leaves representing the shields and the flowers the helmets  +
Greek tropideion, keel, referring to the boat-shaped floral lip of many species  +
Greek tropis, keel, and karpos, fruit, alluding to fruit shape  +
Japanese tsuga, name for native hemlocks of Japan  +
Latin tuber, swelling, and -aria, possession, alluding to swellings on roots  +
For Hans von Türckheim, 1853–1920, plant collector in Guatemala and West Indies  +
Persian thoulyban or Turkish tulbend, turban, alluding to the shape of the just-opening perianth  +
Local Native American Tumamoc, name for the hill upon which the Carnegie Institute Desert Laboratory is located  +
For William Turner, 1515 – 1568, English botanist  +
Latin turris, tower, alluding to pyramidal shape of plants due to overlap of leaves and fruits  +
Said to be based on Latin tussi s, cough, for which the plant has a medicinal reputation  +
Greek, perhaps from typhein, to smoke or to emit smoke, in allusion either to the use of the spikes for maintaining smoky fires or to the smoky brown color of the fruiting spikes.  +
U
Latin ulmus, elm  +
Greek, oulotes, curliness, alluding to leaves of some species  +
Latin umbellula, partial umbel  +
Malayalam ooren, to loosen or soak, alluding to retting process to extract fibers from stem tissues of U. lobata  +
Greek uro- , tail, and pappus, alluding to slender terminal bristle on each pappus scale  +
Greek uro, tail, and sperma, seed, alluding to beaks of cypselae  +
Latin urtica, nettle  +, derived from Latin uro, to burn  +
Latin uvula, alluding to the flowers hanging like that organ, and to formerly supposed efficacy in treating diseases of it  +
V
Latin vacca, cow, and -aria, pertaining to, alluding to alleged value for fodder  +
Latin name for blueberry  +
for Antonio Vallisneri, Italian botanist, 1661–1730  +
for George Vancouver (1757-1798), English navigator and explorer  +
Spanish vainilla, little pod or capsule, referring to long, podlike fruits  +
Spanish varilla, rod or wand, a common name used in Mexico  +
For Nicolas Louis Vauquelin, 1763–1829, French chemist and pharmacist  +
For Cristóbal Velez, ca. 1710–1753, a friend of the botanist Pehr Loefling  +
For “rev. Patr. Mich. Venegas Hispani,” 1680–1764, “qui primus notitiam naturalem civilemque circà Californiam scripsit”  +
For G. Venturi, 1830–1898, Italian lawyer and bryologist  +
Latin vere, true, and ater, black, alluding to black rhizomes found in some species  +
Ancient Latin name used by Pliny, probably corruption of barbascum, bearded, alluding to dense tomentum, or barbarum, medicinal plaster, alluding to use of some species  +
No etymology in protologue  +, perhaps from genus name Verbena and Latin - ina, resemblance  +
Latin vernix, varnish, alluding to use of seed oil in finishes  +
For William Vernon, d. 1711, English botanist  +
Late Latin form of Greek Berenike/Pherenike, phero, bearer, and nike, victory, probably alluding to Saint Veronica  +
Genus Veronica and Latin -astrum, resembling  +
Latin vesicularis, like a little bladder, alluding to lax areolation of laminal cells  +
For L. G. A. Viguier, 1790–1867, French physician  +
For Manuel M. Villada, 1841–1924, Mexican scientist  +
C lassic Latin name derived from Greek ion, violet  +
Latin name for mistletoe, alluding to viscid fruits  +
Latin, vine  +
Latin vitt(a), fillet, ribbon, stripe  +
For Johann Gottlob Wilhelm Voit, 1787 – 1813, German bryologist  +
Latin voluta, twisted, spiral, and - aria, possession, alluding to spirally coiled corolla lobes of original species  +
W
For Franz de Paula Adam von Waldstein, 1759–1823, Austrian soldier and botanist  +
For Augustin Friedrich Walther, 1688 – 1746, German physician, anatomist, and botanist at Leipzig University  +
For Nathaniel A. Ware, 1789–1853, teacher in South Carolina and plant collector, especially in Florida  +
For Carl Friedrich E. Warnstorf, 1837–1921, German teacher and botanist  +
fFor George Washington, 1732–1799, American patriot and first president of the United States  +
For William Watson, 1715–1787, British botanist  +
For G. W. Webster, 1833–1914, American botanist and farmer  +
For George Wolfgang Wedel, 1645–1721, botanist/professor at Jena  +
For Friedrich Wilhelm Weiss, 1744–1826, lichenologist of Göttingen  +
For Lieutenant Amiel Weeks Whipple, 1816–1863, commander of Pacific Railroad Expedition 1853 & 1854  +
For Roelof van der Wijk, 1895 – 1981, Dutch bryologist  +
possibly for Christian Wilhelms, fl. 1819–1837, plant collector in the Caucasus  +
For Friedrich (later Frederick) Adolph Wislizenus, 1810–1889, botanical collector in southwestern United States and adjacent Mexico  +
Presumably Sinhalese wissa, poison, and duvili, dust or powder  +, common name wissaduli used for plants of Centipeda minima (Linnaeus) A. Braun & Ascherson and misapplied here  +
for Johann. F.riedrich Wolff, 1778–1806, German physician  +
For Johann Friedrich Wolff, 1778–1806, German physician, and Latin ella, diminutive  +
for English botanist Joseph Woods  +
in honor of Thomas Jenkin 1820, English botanist  +
For Nathaniel Jarvis Wyeth, 1802–1856, early western American explorer  +
X
Greek xanthos, yellow, and -i smos, condition or quality, alluding to bright yellow florets  +
Greek xanthos, yellow, evidently alluding to an ancient name for a plant that produced a yellow dye  +
Greek xanthos, yellow, and kephale, head  +
Greek xanthos, yellow, and rhiza, root  +
Greek xeros, dry, and chrysos, gold, perhaps alluding to phyllaries  +
Greek xeros, dry, and phyllon, leaf, alluding to the sclerified foliage  +
For Francisco Ximenes de Luna, 17th century Franciscan monk and botanist  +
Greek xylon, wood, and kokkos, berry, alluding to fruit  +
Greek xylon, wood, and rhiza, root  +
Greek xylon, wood, and osme, odor, alluding to fragrant wood of some Pacific species  +
Greek xyron, razor, in reference to a plant with two-edged leaves  +
Y
Spanish, an uninhabited and utterly inhospitable place  +
the poet may have been Edward Young (also dramatist), 1683–1765  +, the physician may have been Thomas Young (also physicist and Egyptologist), 1773–1829  +, For “deux Anglais célèbres, l’un comme poète, l’autre comme physicien,” both named Young  +
Carib Indian name for Manihot, erroneously applied  +
Z
No etymology in protologue  +, perhaps for Adam Zaluziansky von Zaluzian, 1558–1613, Polish physician/botanist  +
Derivation equivocal, perhaps from misreading of Latin azania, a kind of pine cone, or from Latin zamia, loss, from the "sterile appearance" of the pollen cones  +
for Gian Girolamo Zannichelli, 1662–1729, Venetian apothecary and botanist  +
Greek zelos, emulation, and genus Meteorium, alluding to similarity  +
For Zenobia, third-century queen of Palmyra, a city-state in Syria  +
Greek Zephyros, west wind, and anthos, flower  +
Greek zeuxis, a yoking or joining, referring to partial union of lip and column, or possibly to fusion of pollinia  +
Greek zygos, yoke, and aden, gland, referring to the pair of glands on each tepal of the type species  +
the classical name, from Sanskrit crngavera  +
For Johann Gottfried Zinn, 1727–1759, professor of botany, Göttingen, known for botanical studies in Mexico  +
Latinized Arabic vernacular name zizouf for common jujube, Z. jujuba  +
Greek zoster, belt  +
for Myrtle Zuck, fl. 1897  +
Greek zygon, yoke, alluding to 16 peristome teeth initially connate in pairs in some species  +
Greek zygon, yoke, and phyllon, leaf, alluding to conjugate leaflets as in Z. fabago  +