Difference between revisions of "Shinnersia"
Phytologia 19: 297. 1970.
FNA>Volume Importer |
imported>Volume Importer |
||
| (3 intermediate revisions by 2 users not shown) | |||
| Line 42: | Line 42: | ||
|publication year=1970 | |publication year=1970 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1230.xml |
|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Shinnersia | |genus=Shinnersia | ||
Latest revision as of 21:09, 5 November 2020
Perennials, 10–30 cm (aquatic). Stems ascending, unbranched or branched (rooting at proximal nodes). Leaves cauline; opposite; sessile; blades 1- or 3-nerved, broadly oblanceolate or 3-lobed, ultimate margins coarsely toothed, faces sometimes pilose and glabrescent or glabrous, gland-dotted. Heads discoid, borne singly. Involucres hemispheric or broader, 6–9 mm diam. Phyllaries persistent, 25–30 in 2–3+ series, not notably nerved, ovate to lanceolate or linear, ± equal (herbaceous to membranous). Receptacles convex to conic, epaleate (warty). Florets 75–100+; corollas white, throats broadly campanulate (notably wider than tubes, lengths ca. 1 times diams.); styles: bases not enlarged, glabrous, branches linear-filiform. Cypselae prismatic, 4–5-ribbed, sparsely gland-dotted and sparsely hairy (hairs forked); pappi 0. x = 15?
Distribution
Tex., n Mexico.
Discussion
Species 1.
Selected References
None.