Difference between revisions of "Trichocoronis"
Mem. Amer. Acad. Arts., n. s. 4: 65. 1849.
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|discussion=<p>Species 2 (1 in the flora).</p> | |discussion=<p>Species 2 (1 in the flora).</p> | ||
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|family=Asteraceae | |family=Asteraceae | ||
|distribution=Tex.;Mexico;introduced in Calif. | |distribution=Tex.;Mexico;introduced in Calif. | ||
| − | |reference= | + | |reference=None |
|publication title=Mem. Amer. Acad. Arts., n. s. | |publication title=Mem. Amer. Acad. Arts., n. s. | ||
|publication year=1849 | |publication year=1849 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1227.xml |
|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Trichocoronis | |genus=Trichocoronis | ||
Revision as of 19:33, 16 December 2019
Annuals or perennials, 10–30 cm (aquatic or subaquatic). Stems decumbent to erect, branched from bases or ± throughout (sometimes rooting at proximal nodes). Leaves cauline; mostly opposite (distal sometimes alternate); sessile; blades usually 1–3-nerved from near bases, oblong to elliptic or lanceolate, margins usually ± dentate (at least distally), faces glabrous or sparsely pilose to pilosulous and glabrescent, sometimes minutely gland-dotted. Heads discoid, borne singly or in loose or open, corymbiform arrays. Involucres mostly hemispheric or broader, 3–4(–5) mm diam. Phyllaries persistent, 18–30 in 2–3 series, obscurely 3–4-nerved, lanceolate, ± equal (herbaceous). Receptacles convex to conic, epaleate (warty). Florets 75–125; corollas whitish or pinkish to purplish, throats tubular-funnelform (lengths ca. 2 times diams.); styles: bases not enlarged, glabrous, branches linear-filiform (distally densely papillose). Cypselae weakly fusiform, 4–5-ribbed, scabrellous on ribs; pappi persistent, of 2–6+ laciniate or fimbriate to setiform scales or coarsely barbellate bristles. x = 15.
Distribution
Tex., Mexico, introduced in Calif.
Discussion
Species 2 (1 in the flora).
Selected References
None.