Show Lower Taxa
Bull. Sci. Soc. Philom. Paris 1817: 31. 1817
in F. Cuvier, Dict. Sci. Nat. ed. 2, 7: 383. 1817
Common names: Larkdaisy
Etymology: Latin centrum, center, and atherum, prickle or awn, perhaps alluding to spine-tipped middle phyllaries of original species
Treatment appears in FNA Volume 19. Treatment on page 206. Mentioned on page 67, 201.
Perennials (or functionally annuals), 1–3(–8+) dm (stems sometimes rooting at proximal nodes). Leaves cauline; sessile or petiolate, petioles ± winged; blades ovate to obovate, lanceolate, or linear, bases ± cuneate, margins toothed, apices acute, abaxial faces usually ± hirtellous to strigillose or tomentose, sometimes nearly glabrous, adaxial faces sparsely scabrellous or glabrate, both usually resin-gland-dotted. Heads discoid (pedunculate, each subtended by 3–8+, ± foliaceous bracts), borne singly. Involucres ± hemispheric, 6–12(–18+) mm diam. Phyllaries 24–50+ in 4–8+ series, each proximally firm, distally ± scarious, the outer ovate to deltate or lanceolate, inner oblong to lanceolate, margins entire, tips rounded to acute, usually apiculate to seta-tipped or attenuate-spinose, abaxial faces glabrous or sparsely strigillose to tomentose and usually ± resin-gland-dotted distally. Florets 30–50(–100+); corollas usually lavender to purplish (rarely white), tubes longer than funnelform throats, lobes 5, lance-linear, ± equal. Cypselae ± columnar to plumply clavate, 8–10-ribbed, glabrous, often resin-gland-dotted; pappi caducous, of 20–40 lance-linear to subulate scales. x = 16.
Fla., Neotropics, Pacific Islands (Philippines), Australia.
Species 2–4 (1 in the flora).
Facts about "Centratherum"
|Author||John L. Strother +|
|Common name||Larkdaisy +|
|Distribution||Fla. +, Neotropics +, Pacific Islands (Philippines) + and Australia. +|
|Etymology||Latin centrum, center, and atherum, prickle or awn, perhaps alluding to spine-tipped middle phyllaries of original species +|
|Illustration copyright||Flora of North America Association +|
|Illustrator||Bee F. Gunn +|
|Publication title||Bull. Sci. Soc. Philom. Paris + and in F. Cuvier, Dict. Sci. Nat. ed. +|
|Publication year||1817 +|
|Reference||gleason1922a + and kirkman1981a +|
|Source xml||https://email@example.com/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V19 248.xml +|
|Taxon family||Asteraceae +|
|Taxon name||Centratherum +|
|Taxon parent||Asteraceae tribe Vernonieae +|
|Taxon rank||genus +|
|Volume||Volume 19 +|