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glabrescens Acourtia runcinata Acourtia wrightii Adelia vaseyi Adenocaulon bicolor Adolphia infesta Aeonium Aeonium haworthii Agarista Agarista populifolia

Acourtia wrightii Acroptilon Acroptilon repens Adenocaulon Adenocaulon bicolor Agoseris Agoseris apargioides A cont. Agoseris apargioides var. apargioides

alba, Quercus arizonica, Quercus austrina, Quercus berberidifolia, Quercus bicolor, Quercus boyntonii, Quercus carmenensis, Quercus chapmanii, Quercus chihuahuensis

Eleocharis atropurpurea Eleocharis baldwinii Eleocharis bella Eleocharis bicolor Eleocharis bifida Eleocharis bolanderi Eleocharis brachycarpa Eleocharis

adunca, Viola affinis, Viola arvensis, Viola bakeri, Viola beckwithii, Viola bicolor, Viola biflora, Viola blanda, Viola brittoniana, Viola canadensis, Viola

corollas yellow or orange, brown-purple, maroon, or reddish, sometimes bicolor (orange, brown-purple, maroon, or reddish plus yellow, laminae often drooping

oblanceolate, bases often clasping and/or decurrent, margins entire, faces bicolor or concolor, abaxial white to gray and tomentose to velutinous, adaxial

Solidago subsectionSolidago subsect. Squarrosae Show Lower Taxa Solidago bicolor, Solidago erecta, Solidago hispida, Solidago puberula, Solidago roanensis

Eleocharis) ser. Tenuissimae Show Lower Taxa Eleocharis baldwinii, Eleocharis bicolor, Eleocharis brittonii, Eleocharis intermedia, Eleocharis microcarpa, Eleocharis

Penstemon sectionPenstemon sect. Spectabiles Show Lower Taxa Penstemon bicolor, Penstemon clevelandii, Penstemon clutei, Penstemon floridus, Penstemon

Taxa Diplacus angustatus, Diplacus aridus, Diplacus aurantiacus, Diplacus bicolor, Diplacus bigelovii, Diplacus bolanderi, Diplacus brandegeei, Diplacus brevipes

Artemisia vulgaris 22 Leaves not bicolor (both faces bright green or silvery), lobes acute or rounded > 23 22 Leaves bicolor (abaxial faces silvery, adaxial

to globose, sometimes slender; floral bract usually brown, black, tawny, bicolor, or sometimes light rose, apex usually entire; pistillate bract usually

Lower Taxa Euphorbia aaron-rossii, Euphorbia antisyphilitica, Euphorbia bicolor, Euphorbia bilobata, Euphorbia corollata, Euphorbia curtisii, Euphorbia

familyAsteraceae tribeAsteraceae tribe Mutisieae genusAdenocaulon speciesAdenocaulon bicolor Hooker Bot. Misc. 1: 19, plate 15. 1829. David J. Keil Common names: Trail

Erythranthe arenicola, Erythranthe arvensis, Erythranthe barbata, Erythranthe bicolor, Erythranthe brachystylis, Erythranthe breviflora, Erythranthe breweri,

Show Lower Taxa Delphinium antoninum, Delphinium basalticum, Delphinium bicolor, Delphinium glareosum, Delphinium luteum, Delphinium nudicaule (Rydberg)

genusSorghum speciesSorghum bicolor Show Lower Taxa Sorghum bicolor subsp. arundinaceum, Sorghum bicolor subsp. bicolor, Sorghum bicolor subsp. ×drummondii (L

subsect. Bicoloria speciesDelphinium bicolor Show Lower Taxa Delphinium bicolor subsp. bicolor, Delphinium bicolor subsp. calcicola Nuttall J. Acad. Nat

widely in inflorescence structure; all members share a basic repeating bicolor unit (a terminal flower and three bracts or an epicalyx; C. Bayer 1999)

branched, hairy. Leaves cauline, uniformly gray-green, green, or white, or bicolor (white and green); blades linear to broadly elliptic, 1.5–11 × 0.5–4 cm

LAYOUT:treatment:TUOYAL familyViolaceae genusViola speciesViola bicolor Pursh Fl. Amer. Sept. 1: 175. 1813. R. John Little, Landon E. McKinney† Common

globose, or subglobose, sometimes slender; floral bract brown, tawny, or bicolor, apex usually entire, sometimes toothed; pistillate bract usually persistent

seriesEleocharis (sect. Eleocharis) ser. Tenuissimae speciesEleocharis bicolor Chapman Fl. South. U.S., 517. 1860. Jeremy J. Bruhl, S. Galen Smith Ill

tribeAsteraceae tribe Mutisieae genusAdenocaulon Show Lower Taxa Adenocaulon bicolor Hooker Bot. Misc. 1: 19, plate 15. 1829. David J. Keil Etymology: Greek

Panicoideae tribePoaceae tribe Andropogoneae genusSorghum Show Lower Taxa Sorghum bicolor, Sorghum halepense Moench Mary E. Barkworth Treatment appears in FNA Volume

genusThelocactus speciesThelocactus bicolor Show Lower Taxa Thelocactus bicolor var. bicolor, Thelocactus bicolor var. flavidispinus (Galeotti ex Pfeiffer)

G. Kükenthal (1909); C. bicolor was placed in sect. Phacocystis. T. V. Egorova (1999) and A. O. Chater (1980) placed C. bicolor in sect. Atratae. The four

LAYOUT:treatment:TUOYAL familyKrameriaceae genusKrameria Show Lower Taxa Krameria bicolor, Krameria erecta, Krameria lanceolata, Krameria ramosissima Loefling Iter

familyEuphorbiaceae genusEuphorbia sectionEuphorbia sect. Alectoroctonum speciesEuphorbia bicolor Engelmann & A. Gray Boston J. Nat. Hist. 5: 233. 1845. Jess A. Peirson,

narrowly lanceolate to oblanceolate, bases cuneate, margins entire, faces bicolor or concolor, abaxial white to gray, thinly tomentose, adaxial white to grayish

florets = discs, 5–70 × 5–18 mm). Ray florets 3–15+, neuter; corollas yellow, bicolor (maroon/yellow), or wholly maroon. Disc florets 50–400+, bisexual, fertile;

tribePoaceae tribe Pappophoreae genusPappophorum Show Lower Taxa Pappophorum bicolor, Pappophorum vaginatum Schreb. John R. Reeder Treatment appears in FNA Volume

Eriogonum argophyllum, Eriogonum artificis, Eriogonum batemanii, Eriogonum bicolor, Eriogonum brandegeei, Eriogonum breedlovei, Eriogonum brevicaule, Eriogonum

usually multistemmed. Leaves: petiole (1.5–)4–16(–26) mm; blade usually bicolor, sometimes green or yellow-green, oblong-elliptic or oblong-lanceolate to

or lanceolate to linear, bases ± cuneate, margins entire, faces usually bicolor [concolor], abaxial usually white to gray and tomentose (sometimes glandular

on margins; staminodes present or rarely absent. Fruits pepos, mono- or bicolor, green to yellow, orange, or tan [white, brown, purple] with light or dark

subfamilyEricaceae subfam. Arbutoideae genusXylococcus Show Lower Taxa Xylococcus bicolor Nuttall Trans. Amer. Philos. Soc., n. s. 8: 258. 1842 ,. Laurence J. Dorr

EndemicIllustrated Synonyms: Quercus bicolor var. angustifolia Dippel Quercus bicolor var. cuneiformis Dippel Quercus bicolor var. platanoides A. de Candolle

or ampliate, margins entire (sometimes undulate and/or revolute), faces bicolor, abaxial usually silvery, tomentose, adaxial usually green, glabrate or

lycoctonum Linnaeus, A. napellus Linnaeus, A. variegatum Linnaeus, and A.bicolor Schultes. Aconitum lycoctonum is similar to A. reclinatum of the southeastern

mm. Ray florets 4–14; corollas yellow, purplish yellow, or maroon, often bicolor (maroon/yellow), laminae mostly ovate to elliptic, 5–15 × 4–12 mm. Discs

subsectionDelphinium subsect. Bicoloria speciesDelphinium bicolor subspeciesDelphinium bicolor subsp. bicolor Michael J. Warnock EndemicIllustrated Synonyms: Delphinium

Legacy Map Mont. In the field, Delphinium bicolor subsp. calcicola is readily separated from D. bicolor subsp. bicolor on the basis of its brighter colored

subfamilyEricaceae subfam. Arbutoideae genusXylococcus speciesXylococcus bicolor Nuttall Trans. Amer. Philos. Soc., n. s. 8: 259. 1842 ,. Laurence J. Dorr

lance-linear, bases ± cuneate, margins entire (usually revolute), faces bicolor, abaxial gray, tomentose, adaxial green, glabrous. Heads disciform, usually

Chloridoideae tribePoaceae tribe Pappophoreae genusPappophorum speciesPappophorum bicolor E. Fourn. John R. Reeder Common names: Pink pappusgrass Treatment appears

familyCyperaceae genusCarex sectionCarex sect. Bicolores speciesCarex bicolor Allioni Fl. Pedem. 2: 267. 1785. Peter W. Ball Common names: Carex bicolore

LAYOUT:treatment:TUOYAL familyPhrymaceae genusErythranthe speciesErythranthe bicolor (Hartweg ex Bentham) G. L. Nesom & N. S. Fraga Phytoneuron 2012-39: 36.

monkeyflower Endemic Basionym: Eunanus bicolor A. Gray Proc. Amer. Acad. Arts 7: 381. 1868 Synonyms: M. nanus var. bicolor (A. Gray) A. Gray M. whitneyi A. Gray

subfamilyCactaceae subfam. Cactoideae genusThelocactus Show Lower Taxa Thelocactus bicolor (K. Schumann) Britton & Rose Bull. Torrey Bot. Club 49: 251. 1922. Allan

LAYOUT:treatment:TUOYAL familyKrameriaceae genusKrameria speciesKrameria bicolor S. Watson Proc. Amer. Acad. Arts 21: 417. 1886. Beryl B. Simpson Common

Gray Solidago bicolor var. lanata (Hooker) A. Gray Solidago bicolor var. luteola Farwell Solidago bicolor var. ovalis Farwell Solidago bicolor var. spathulata Farwell

sectionSolidago sect. Solidago subsectionSolidago subsect. Squarrosae speciesSolidago bicolor Linnaeus Syst. Nat. ed. 12, 2: 556. 1767. , Mant. 1: 114. 1767. John C.

and/or decurrent], margins entire (sometimes revolute), faces concolor [bicolor], usually gray to white and tomentose or sericeous [adaxial sometimes greenish

LAYOUT:treatment:TUOYAL familyMelastomataceae genusTetrazygia Show Lower Taxa Tetrazygia bicolor Richard ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

5–28 mm, flowering branchlet 2.5–22 mm; floral bract brown, greenish, or bicolor, 1.2–2 mm, apex rounded, entire or, sometimes, 2-fid, abaxially hairy, hairs

subfamilyCactaceae subfam. Cactoideae genusHamatocactus Show Lower Taxa Hamatocactus bicolor Britton & Rose Cact. 3: 104, figs. 110–114. 1922. Allan D. Zimmerman, Bruce

Calycadenia hispida subsp. reducta D. D. Keck Calycadenia multiglandulosa subsp. bicolor (Greene) D. D. Keck Calycadenia multiglandulosa subsp. cephalotes (de Candolle)

Wilson-Ramsey Yevonn Wilson-Ramsey Violaceae Violaceae Violaceae Viola bicolor Viola blanda Viola douglasii Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey Yevonn

North America Association Stems 15–80 cm. Leaves long-petiolate; blade bicolor, 4–10 cm, fleshy, abaxially lighter because of densely hirsute to hirsutulous

Musc. Frond., 183, plate 42, figs. 8–12. 1801 Synonyms: B. bicolor Dickson Gemmabryum bicolor (Dickson) J. R. Spence Treatment appears in FNA Volume 28

Synonyms: Vitis aestivalis var. argentifolia Fernald V. aestivalis var. bicolor Deam V. aestivalis var. linsecomii (Buckley) Munson ex L. H. Bailey V. aestivalis

1 Leaves bicolor (abaxial faces closely white-pannose to pannose-tomentose, indument obscuring epidermis, adaxial faces glabrous or glabrate to sparsely

Brintonia. G. L. Nesom (1991d, 1993b) believed that it is closely related to S. bicolor in Solidago subsect. Albigula. It is more similar to S. sphacelata and S

S. Park Common names: Downy Chinese-houses Endemic Basionym: Collinsia bicolor var. austromontana Newsom Bot. Gaz. 87: 277. 1929 Synonyms: C. austromontana (Newsom)

× 5.5–19 mm, flowering branchlet 0–4 mm; floral bract brown, black, or bicolor, 0.8–2 mm, apex rounded or acute, abaxially moderately densely hairy, hairs

5–38 × 5–12 mm, flowering branchlet 1–11 mm; floral bract brown, black, or bicolor, 0.8–2 mm, apex rounded or acute, abaxially hairy, hairs wavy, straight

tribePoaceae tribe Andropogoneae genusSorghum speciesSorghum bicolor subspeciesSorghum bicolor subsp. bicolor Mary E. Barkworth Common names: Sorghum Broomcorn Sorgo

spines of Glandulicactus. Glandulicactus uncinatus differs from Hamatocactus bicolor of the Tamaulipan thorn scrub by its strongly crenate ribs, greatly elongated

speciesThelocactus bicolor varietyThelocactus bicolor var. bicolor Allan D. Zimmerman, Bruce D. Parfitt Illustrated Synonyms: Thelocactus bicolor var. schottii (K

tribePoaceae tribe Andropogoneae genusSorghum speciesSorghum bicolor subspeciesSorghum bicolor subsp. ×drummondii (Steud.) de Wet ex Davidse Mary E. Barkworth

tribePoaceae tribe Andropogoneae genusSorghum speciesSorghum bicolor subspeciesSorghum bicolor subsp. arundinaceum (Desv.) de Wet & J.R. Harlan ex Davidse

on misidentified T. bicolor var. bicolor. None. None. window.propertiesFromHigherTaxa=[{"rank":"species","name":"Thelocactus bicolor","properties":[]},{"rank":"genus"

misidentified as C. bartsiifolia. Collinsia bicolor Bentham, which pertains here, is a later homonym of C. bicolor Rafinesque, a synonym of 1. C. verna. None

Tamaulipas). Hamatocactus bicolor is taxonomically isolated in the flora. It is perhaps most similar to Thelocactus bicolor, but H. bicolor is dramatically different

LAYOUT:treatment:TUOYAL familyMelastomataceae genusTetrazygia speciesTetrazygia bicolor (Miller) Cogniaux in A. L. P. P. de Candolle and C. de Candolle Monogr.

Endemic Basionym: Penstemon palmeri var. bicolor Brandegee Univ. Calif. Publ. Bot. 6: 360. 1916 Synonyms: P. bicolor subsp. roseus Clokey & D. D. Keck P. pseudospectabilis

canescent or tardily glabrate. Leaves: petiole (4–)7–15(–26) mm; blade bicolor, abaxially white, adaxially green and lustrous, lanceolate to oblong-lanceolate

curved, somewhat woody), sparsely to densely tomentose. Leaves cauline, bicolor (± gray-green); blades narrowly elliptic, 0.1–2.5(–3) × 0.5–1 cm (gradually

brickellioides Greene Aster tomentellus (Greene) Frye & Rigg Eucephalus bicolor Eastwood Eucephalus brickellioides (Greene) G. L. Nesom Treatment appears

white-tomentulose, becoming canescent. Leaves: petiole (4–)6–16(–22) mm; blade bicolor, abaxially white, adaxially green and nonlustrous, linear to linear-lanceolate

glabrous or glabrate. Leaves basal (in rosettes, petiolate) and cauline, bicolor (white and green); blades ovate, 3–7(–20) × 2–4(–6) cm, 2–3-pinnately-lobed

Philadelphia 1: 190, plate 9. 1817. Michael S. Park Endemic Synonyms: Collinsia bicolor Rafinesque Treatment appears in FNA Volume 17. Treatment on page 65. Mentioned

1904. Lowell E. Urbatsch, Patricia B. Cox Endemic Synonyms: Rudbeckia bicolor Nuttall Rudbeckia longipes T. V. Moore Rudbeckia sericea T. V. Moore Rudbeckia

30–80(–100) cm, widely branched, sparsely hairy or glabrous. Leaves strongly bicolor (white and green, or gray-green and green), narrowly lanceolate, 4–10 ×

Heteromeles arbutifolia, Quercus sp., Rhus integrifolia, and Xylococcus bicolor Elevation: 0-600 m Generated Map Legacy Map Calif., Mexico (Baja California)

simple, sometimes branched (bases woody), densely tomentose. Leaves cauline, bicolor (white and green); blades linear to lanceolate, 3–12 × 1 cm, margins usually

Mentioned on page 527. Stems 20–50(–80) cm, mostly simple, hairy. Leaves bicolor (white and green, or gray-green and green); blades narrowly to broadly lanceolate

Mentioned on page 527. Stems 20–80 cm, mostly unbranched, glabrous. Leaves bicolor (white and green); blades lanceolate to ovate, 5–7 × 0.5–1 cm, irregularly

15–83 × 7–21 mm, flowering branchlet 2–37 mm; floral bract tawny, brown, bicolor, or greenish, 1–3.4 mm, apex convex or rounded, entire, abaxially hairy

speciesEriogonum bicolor M. E. Jones Zoë 4: 281. 1893. James L. Reveal Common names: Pretty wild buckwheat Endemic Synonyms: Eriogonum microtheca subsp. bicolor (M.

erect, brown to gray-green, simple, hairy or glabrescent. Leaves cauline, bicolor (white and green to light gray-green); blades narrowly elliptic to widely

bristle; sepals unequal, adaxialmost longer; petals 6, purple or rose [bicolor, with white abaxial petals], obovate to orbiculate, unequal, 4 abaxial 0

Ray florets 4–12; corollas yellow, purplish yellow, or maroon, sometimes bicolor (maroon/yellow), laminae lanceolate-ovate to elliptic-oblanceolate, 7–35

stellate-pubescent, glabrescent. Leaves cauline; petiole 1–5 mm; blade bicolor, obovate-elliptic to elliptic-lanceolate, 12–35(–47) × 3–10(–13) mm, base

rounded; capsules narrowly ovoid to cylindric-ellipsoid > 15 15 Leaf blades bicolor, paler abaxially; inflorescences: bracts linear-subulate. Hypericum mutilum

IllustratedEndemic Basionym: Brodiaea grandiflora S. Watson 1918 Synonyms: Brodiaea bicolor Suksdorf Brodiaea douglasii S. Watson Brodiaea douglasii var. howellii (S

EndemicConservation concern Synonyms: Orthocarpus bicolor A. Heller O. lithospermoides var. bicolor (A. Heller) Jepson Treatment appears in FNA Volume

Guy L. Nesom Common names: Bioletti’s rabbit-tobacco Basionym: Gnaphalium bicolor Bioletti, Erythea 1: 16. 1893, not (Lindley) Schultz-Bipontinus 1845 Treatment

Eleocharis minima is most often confused with E. bicolor and E. baldwinii (see comments under 33. E. bicolor). Although floral scales in E. minima often superficially

species: Glandulicactus uncinatus, Ferocactus hamatacanthus, and Hamatocactus bicolor. Ancistrocactus has only straight radial spines (Glandulicactus has strongly

flowering branchlet 2–10 mm; floral bract brown, black, tawny, light rose, or bicolor, 1.1–1.8 mm, apex rounded or acute, entire, abaxially sparsely hairy, hairs

stout, 20–40 × 6–12 mm, flowering branchlet 4–7 mm; floral bract tawny or bicolor, 1.3–2.5 mm, apex rounded, entire, abaxially glabrous. Staminate flowers:

stout, 11–18 mm, flowering branchlet 0–3 mm; floral bract brown, black, or bicolor, 1–3 mm, apex acute, convex, or rounded, abaxially hairy, hairs straight

in fruit) × 3–7 mm, flowering branchlet 0.5–3 mm; floral bract black or bicolor, 0.8–1.6 mm, apex rounded, abaxially hairy, hairs straight or wavy. Staminate

5–12 mm, flowering branchlet 1–3 mm; floral bract dark brown, black, or bicolor, 0.8–1.5 mm, apex rounded, abaxially hairy, hairs straight or wavy. Staminate

fruit) × 6.5–15 mm, flowering branchlet 4–18 mm; floral bract brown or bicolor, 0.8–1.6 mm, apex rounded, entire, abaxially sparsely hairy, hairs (usually

12–38 × 5–11 mm, flowering branchlet 3–14 mm; floral bract brown, black, or bicolor, 1–1.3 mm, apex rounded, entire, abaxially sparsely hairy, hairs straight

× 8–16 mm, flowering branchlet 0.5–8 mm; floral bract brown, black, or bicolor, 1–2 mm, apex rounded to acute, abaxially hairy, hairs wavy, straight, or

15–37 × 9–20, flowering branchlet 2.5–7 mm; floral bract brown, tawny, or bicolor, 1–2.2 mm, apex acute or tapering and rounded, abaxially hairy, hairs straight

10–13–22 mm, flowering branchlet 0–4 mm; floral bract brown, black, or bicolor, 1–3.7 mm, apex acute to acuminate or rounded, abaxially hairy, hairs long

stout, 20–50 mm, flowering branchlet ca. 1.5 mm; floral bract dark brown or bicolor, 2.8–3 mm, apex acute to convex, moderately densely hairy throughout, hairs

lanceolate), bases not clasping, not decurrent, margins flat, faces weakly bicolor, tomentose (adaxial less densely), not glandular. Heads in loose, corymbiform

clasping, decurrent 5–10 mm, margins flat to slightly revolute, faces weakly bicolor, abaxial tomentose, adaxial stipitate-glandular, otherwise glabrescent or

subclasping, not decurrent, margins usually undulate, faces concolor or weakly bicolor, usually woolly-tomentose, sometimes tardily glabrescent adaxially, stipitate-

decurrent, margins strongly revolute, sometimes closely sinuate, faces bicolor, abaxial densely and closely white-tomentose, adaxial green, densely stipitate-glandular

North Carolina, Oregon; escaping locally and forming colonies Caladium bicolor (Aiton) Ventenat Colocasia Leaves usually variegated with pink, red, or

regions, margins sinuate, apices often apiculate), faces concolor or weakly bicolor, loosely tomentose. Heads in glomerules in continuous or interrupted, spiciform

cm × 1.5–10 mm, bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white to gray, tomentose, adaxial green, both minutely stipitate-glandular

1–3 mm or not decurrent at all, margins flat to slightly revolute, faces bicolor, abaxial thinly white-tomentose, adaxial minutely stipitate- or sessile-glandular

decurrent 3–10 mm, margins strongly revolute to revolute-undulate, faces bicolor, abaxial densely white-tomentose, adaxial densely stipitate-glandular. Heads

(wandlike, brittle, bases woody), glabrous. Leaves cauline (petiolate), bicolor (gray-green and dark green); blades broadly lanceolate, 3.5–12(–15) × 0

brown, mostly simple (bases woody), sparsely tomentose. Leaves cauline, bicolor (white and green); blades lanceolate, 7–15 × 1–2.5 cm, serrate (teeth ca

2–8(–15) mm, bases not clasping, not decurrent, margins flat, faces weakly bicolor, tomentose (adaxial less densely tomentose, sometimes sessile-glandular

mm, bases subclasping, not decurrent, margins strongly revolute, faces bicolor, abaxial densely white-tomentose, adaxial green, densely stipitate-glandular

inside. Pepos orange to yellow with green to yellow stripes, monocolor or bicolor-striped at maturity, short-ellipsoid to globose, 1.5–3(–5) × 1.5–3 cm, obscurely

or lanceolate, 2–8 cm × 2–10 mm, distal cauline smaller, linear, faces bicolor, abaxial gray, silvery sericeous, adaxial green, glabrescent. Heads (20–90)

glandular. Leaves petiolate (petioles 10–40 mm); blades (thickish, strongly bicolor) elliptic to oblong-obovate or ovate, 5–16(–20) × 2–6(–8) cm, margins entire

3–15(–20) mm, margins weakly and narrowly revolute, faces concolor to weakly bicolor, tomentose (hairs commonly with reddish or purplish cross walls), not glandular

distal cauline slightly smaller, oblanceolate, faces concolor or weakly bicolor, grayish, thinly woolly. Heads (10–60+) in compact, spiciform (leafy-bracteate

erect, light brown, simple, usually glabrous. Leaves cauline (sessile), bicolor (white and dark green); blades lanceolate, 5–10(–15) × 1–5 cm (bases strongly

5–7 cm × 4–20 mm, bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white to gray with lightly persistent tomentum, adaxial green,

(relatively even-sized), bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white-tomentose, adaxial green, usually glabrous or slightly glandular

mm, flowering branchlet 1–5(–10) mm; floral bract dark brown, black, or bicolor, 2–3 mm, apex acute or convex, abaxially hairy, hairs straight. Staminate

mm, flowering branchlet 0.5–10 mm; floral bract brown, black, tawny, or bicolor, 0.6–1.1 mm, apex retuse, abaxially hairy, hairs long-wavy or curly. Staminate

fruit) × 5–12 mm, flowering branchlet 2.5–16 mm; floral bract brown or bicolor, 0.8–1.6 mm, apex rounded, convex or retuse, abaxially hairy throughout

subglobose, 15.5–49 × 8–18 mm, flowering branchlet 1–6 mm; floral bract brown or bicolor, 0.8–1.6 mm, apex acute or rounded, abaxially hairy throughout or proximally

in fruit) × 10–18 mm, flowering branchlet 1–6 mm; floral bract brown or bicolor, 1.1–2.4 mm, apex rounded or convex, abaxially hairy, hairs straight. Staminate

stout, 21–59 × 6–16 mm, flowering branchlet 1.5–9 mm; floral bract brown or bicolor, 1.2–1.8 mm, apex acute to rounded, abaxially glabrate to hairy, hairs straight

mm, flowering branchlet 1.5–12 mm; floral bract brown, black, tawny, or bicolor, 0.4–1.1 mm, apex retuse or acute, abaxially hairy throughout or proximally

slender, 17–42 × 6–11 mm, flowering branchlet 1.5–3 mm; floral bract brown or bicolor, 0.8–1.6 mm, apex rounded to truncate, abaxially hairy throughout or proximally

× 6–12 mm, flowering branchlet 1.5–10 mm; floral bract brown, black, or bicolor, 1–2 mm, apex acute or convex, abaxially hairy, hairs wavy. Staminate flowers:

× 7–15 mm, flowering branchlet 0.5–7 mm; floral bract brown, tawny, or bicolor, 0.6–1.2 mm, apex acute or rounded, abaxially glabrous or sparsely hairy

10–50 × 7–13 mm, flowering branchlet 1–12 mm; floral bract brown, black, or bicolor, 1.5–2.5 mm, apex rounded or convex, entire, abaxially sparsely hairy, hairs

× 10–20 mm, flowering branchlet 8–57 mm; floral bract brown, black, or bicolor, 0.8–2.4 mm, apex rounded or acute, entire, abaxially densely hairy, hairs

× 8–14 mm, flowering branchlet 1.5–14 mm; floral bract brown, black, or bicolor, 0.7–2 mm, apex rounded to convex, abaxially hairy, hairs wavy. Staminate

× 8–13–18 mm, flowering branchlet 1.5–5.9–13 mm; floral bract brown or bicolor, 1.2–1.8–3 mm, apex rounded or acute, sometimes toothed, abaxially hairy

7–15 mm, flowering branchlet 3–15(–30) mm; floral bract tawny, brown, or bicolor, 1–3 mm, apex acute or rounded, abaxially hairy, hairs straight or wavy

fruit) × 11–13 mm, flowering branchlet 2–15 mm; floral bract dark brown or bicolor, 1.2–2.5 mm, apex acute or rounded, abaxially hairy, hairs straight or wavy

flowering branchlet 1–11 mm; floral bract brown, tawny, light rose, or bicolor, 1–2 mm, apex rounded, abaxially sparsely hairy, hairs straight. Staminate

× 5.5–17 mm, flowering branchlet 1–13 mm; floral bract tawny, brown, or bicolor, 0.7–1.2 mm, apex rounded, abaxially hairy, hairs straight. Staminate flowers:

fruit) × 10–22 mm, flowering branchlet 0–8 mm; floral bract brown, black, or bicolor, 1.5–4.5 mm, apex rounded or acute, abaxially hairy, hairs straight. Staminate

Asteraceae Asteraceae Asteraceae Asteraceae Gochnatia hypoleuca Adenocaulon bicolor Chaptalia tomentosa Leibnitzia lyrata Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey

smaller leaves produced in axils of mid and distal cauline leaves), faces bicolor, abaxial closely white-pannose, adaxial glabrous (shiny). Heads in interrupted

oblanceolate-obovate, 1.5–5(–8) cm × 5–12(–18) mm (gradually smaller distally), faces bicolor, abaxial closely white-pannose, adaxial sparsely arachnose (evident at 10×)

distal branches, hairs appressed) or glabrate. Leaves basal and cauline, bicolor (white and green); blades (basal) linear to broadly lanceolate, 3–7(–10)

to oblanceolate, 2–5 cm × 6–12(–35) mm (little smaller distally), faces bicolor, abaxial white-pannose, adaxial sparsely to densely arachnose-tomentose

uniform in size and shape), 1–2.5(–3) cm × 2–6 mm, faces concolor or weakly bicolor, both loosely tomentose or adaxial glabrescent and greener. Heads in capitate

in R. K. Greville, Scott. Crypt. Fl. 2: plate 115. 1824 Synonyms: Ulota bicolor Bridel U. funstonii Grout Treatment appears in FNA Volume 28. Treatment

decurrent 1–2 mm, margins weakly revolute, faces mostly concolor to weakly bicolor, abaxial gray-tomentose, adaxial usually gray-tomentose, sometimes glabrescent

Léveillé O. ctenophylla (Wooton & Standley) Tidestrom O. sinuata var. bicolor H. Léveillé Treatment appears in FNA Volume 10. Illustrator: Copyright:

Bull. Soc. Roy. Bot. Belgique 42: 199. 1906. James L. Reveal Common names: Bicolor sulphur flower Endemic Synonyms: Eriogonum latum Small ex Rydberg Eriogonum

glabrous. Leaves basal (petiolate) and cauline (sessile), uniformly green or bicolor; blades broadly lanceolate, ovate, or linear, (2–)3–10(–12) × 1.8–8 cm (proximal

cm × 5–13 mm (gradually smaller, becoming linear bracts distally), faces bicolor, abaxial closely white-pannose, adaxial sparsely arachnose (light green

linear distally, commonly folded along midveins), faces concolor or weakly bicolor, subpannose (hairs closely appressed). Heads initially in continuous or

C. Nixon Common names: Overcup oak EndemicIllustrated Synonyms: Quercus bicolor var. lyrata (Walter) Dippel Treatment appears in FNA Volume 3. Illustrator:

names: Mexican pinyon piñón pino piñonero Synonyms: Pinus cembroides var. bicolor Little Pinus cembroides var. remota Little Pinus discolor Pinus remota Treatment

patent, arcuate bracts surpassing the heads), faces concolor or weakly bicolor, pannose-tomentose (± equally grayish to whitish, basal cells of hairs on

distally, slightly succulent, margins often crenulate on drying), faces bicolor, abaxial closely white-pannose, adaxial glabrous or glabrate. Heads initially

Wilson-Ramsey Yevonn Wilson-Ramsey Violaceae Violaceae Violaceae Viola bicolor Viola blanda Viola douglasii Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey Yevonn

sympatric form with greenish yellow sepals and a purple terminal cluster as a ‘bicolor’ form. Subsequent collections show that plants with only a greenish yellow

in Africa, introduced elsewhere in Eastern Hemisphere. The name Nesoris bicolor Rafinesque was based on a yellow-farinose plant from Florida and presumably

at least among proximal heads, margins sometimes sinuate), faces usually bicolor, abaxial closely white-pannose, adaxial usually sparsely arachnose (basal

mm, flowering branchlet 2–27 mm; floral bract tawny, greenish, brown, or bicolor, 1–3.4 mm, apex convex to rounded, hairs wavy. Staminate flowers:abaxial

7–15 mm, flowering branchlet 2–19 mm; floral bract tawny, light brown or bicolor, 1.2–2.2 mm, apex convex, hairs straight, wavy, or crinkled. Staminate flowers:

8–17 mm, flowering branchlet 3–37 mm; floral bract tawny, light brown, or bicolor, 1.5–2.5 mm, apex convex to rounded, hairs wavy. Staminate flowers: abaxial

Molkenboer) Bosch & Sande Lac. is now placed in Gemmabryum near the G. bicolor complex. Brachymenium niveum and B. systylium have been transferred to the

recognized by its combination of rhizomatous habit, subclasping-decurrent, bicolor, revolute leaves, and distally white phyllaries. Segregate species and varieties

× 10–25 mm, flowering branchlet 0–20 mm; floral bract brown, black, or bicolor, 1.1–3.6 mm, apex convex, rounded, or acute, abaxially hairy, hairs straight

22–65 × 7–14 mm, flowering branchlet 2–10 mm; floral bract dark brown or bicolor, 0.8–1.6 mm, apex rounded, abaxially hairy, hairs wavy. Staminate flowers:

× 12–33 mm, flowering branchlet 0–10 mm; floral bract brown, black, or bicolor, 1.4–2.5 mm, apex acute or convex, abaxially hairy, hairs straight. Staminate

toxic to livestock; it seems not to have persisted in the flora. Senecio bicolor (Willdenow) Viviani (S. cineraria de Candolle) is one of the plants called

fruit) × 7–21 mm, flowering branchlet 2–26 mm; floral bract tawny, brown, or bicolor, 2–3 mm, apex rounded, hairs wavy or straight. Staminate flowers: abaxial

Ariz., N.Mex., Tex. Pappophorum vaginatum grows in similar habitats to P. bicolor, the two species sometimes growing together. Its range extends from southern

blephariglottis. Hybrids of Platanthera blephariglottis with P. ciliaris are P. ×bicolor (Rafinesque) Luer and with P. cristata are P. ×canbyi (Ames) Luer. The unusual

Generated Map Legacy Map B.C., Oreg., Wash. See discussion under Delphinium bicolor. None. None. window.propertiesFromHigherTaxa=[{"rank":"subsection","name":"Delphinium

branchlets 1.5–14 mm, staminate flowering branchlets 1–5 mm, floral bracts bicolor, brown, or black, sparsely hairy, anthers 0.3–0.6 mm, styles 0.3–1.2 mm

bicolored with a yellow corolla tube, yellow abaxial lip, and red galea (forma bicolor Farwell). None. None. window.propertiesFromHigherTaxa=[{"rank":"genus",

corollas at specific rank. Plants with yellow corollas are found in D. bicolor, D. mephiticus, and D. parryi, but these morphs are found through most of

Rocky Mountains* C. leptosepala in strict sense Coast Ranges** C. bicolor in strict sense Leaf (L:W ratio) 0.8-2.2(-3.1) 0.4-1.5 Flower number 2-4 1-4

blephariglottis. Hybrids of Platanthera ciliaris with P. blephariglottis are P. ×bicolor (Rafinesque) Luer and with P. cristata are P. ×channellii Folsom; until

×faxoni Trelease (= Q. alba × prinoides), Q. ×jackiana Schneider (= Q. alba × bicolor), and Q. ×saulei Schneider (= Q. alba × montana). Baranski, M. J. 1975.

arizonica, Quercus arkansana, Quercus austrina, Quercus berberidifolia, Quercus bicolor, Quercus boyntonii, Quercus buckleyi, Quercus carmenensis, Quercus chapmanii

achenes whitish to pale brown; very uncommon, se coastal plain. Eleocharis bicolor 4 Plants annual (rarely perennial?), without creeping rhizomes; anthers

jaliscense is recognized by its relatively long, narrow, concolor to weakly bicolor leaves with non-clasping, short-decurrent bases, relatively large heads

include most ornamental gourds (for example, Flat-striped, Striped Pear, Bicolor Spoon, Miniature Ball, Mandan, Orange Warted, Warty Hardhead) and the acorn

form a geographically cohesive taxon superficially similar to Hamatocactus bicolor in their narrow ribs and overall green aspect unlike the coarse, strongly

weed in warmer parts of the United States. It hybridizes readily with S. bicolor, and derivatives of such hybrids are widespread. The annual Sorghum xalmum

plants differ from P. saxicola in their close and denser stem vestiture, bicolor and relatively narrow leaves, larger heads with greater numbers of pistillate

Variety gracilis is a relatively tall plant with serrate, narrow, strongly bicolor leaves, confined mainly to meadows west of the Cascade Mountains, from northwestern

wet, poorly drained, and inundated locations. Putative hybrids with Q. bicolor are common in the northeastern part of its range, where the two species

with no evident glands. Vestiture is generally silkier, and the silvery to bicolor leaves are white-cottony abaxially. The two species are sympatric in the

virginiana); and the artificially produced hybrid, Q. ×nessiana E. J. Palmer (= Q. bicolor × Q. virginiana). None. None. window.propertiesFromHigherTaxa=[{"rank":"section"

Asteraceae Asteraceae Asteraceae Asteraceae Gochnatia hypoleuca Adenocaulon bicolor Chaptalia tomentosa Leibnitzia lyrata Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey