Show Lower Taxa
in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 97. 1859
Etymology: Greek tricho- , hairlike, and ptilon, feather, alluding to pappus scales
Treatment appears in FNA Volume 21. Treatment on page 418. Mentioned on page 415, 456.
Annuals or perennials, 3–20(–30+) cm. Stems erect or ascending, branched from bases or throughout. Leaves basal and cauline; mostly alternate; petiolate; blades oblanceolate to spatulate or ovate, margins usually sharply and coarsely toothed or lobed, faces sparsely floccose to densely woolly, gland-dotted. Heads discoid, borne singly. Involucres hemispheric to campanulate, 6–12 mm diam. Phyllaries persistent, 18–25 in 2+ series (erect or spreading in fruit, distinct, lance-ovate to lanceolate, subequal, thin-herbaceous, loosely woolly, the inner more scarious, less woolly). Receptacles convex to conic, smooth or finely pitted, epaleate. Ray florets 0. Disc florets 30–100+, bisexual, fertile; corollas yellow, sometimes drying pinkish distally (outer sometimes larger and zygomorphic), tubes much shorter than narrowly funnelform throats, lobes 5, ovate to deltate (equal or unequal). Cypselae obpyramidal, glabrous or shaggily hairy; pappi of 5 scarious, deeply lacerate scales (each seemingly constituted of 8–15+ connate bristles). x = 13.
sw United States, nw Mexico.
Facts about "Trichoptilium"
|Author||John L. Strother +|
|Authority||A. Gray in W. H. Emory +|
|Distribution||sw United States + and nw Mexico. +|
|Etymology||Greek tricho- , hairlike, and ptilon, feather, alluding to pappus scales +|
|Illustration copyright||Flora of North America Association +|
|Illustrator||Yevonn Wilson-Ramsey +|
|Publication title||in W. H. Emory, Rep. U.S. Mex. Bound. +|
|Publication year||1859 +|
|Source xml||https://firstname.lastname@example.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V21 1046.xml +|
|Taxon family||Asteraceae +|
|Taxon name||Trichoptilium +|
|Taxon parent||Asteraceae (tribe Heliantheae) subtribe Gaillardiinae +|
|Taxon rank||genus +|
|Volume||Volume 21 +|