Plateilema
Bull. Torrey Bot. Club 31: 462. 1904.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Plateilema palmeri Baileya multiradiata Tetraneuris scaposa var. scaposa | Linda Ann Vorobik Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey |
Perennials, mostly 5–8+ cm. Stems erect, branched mostly from bases. Leaves mostly basal; alternate; obscurely petiolate; blades obovate to oblanceolate, pinnately toothed or lobed (lobes deltate to obovate), ultimate margins toothed or entire, faces sparsely hispid (hairs white, coarse) or glabrate, not glanddotted. Heads radiate, borne singly. Involucres broadly turbinate, mostly 7–9 mm diam. Phyllaries persistent, 8–12 in 2 series (spreading or erect in fruit, basally connate, gray-green, ± ovate, sparsely hispid). Receptacles convex, ± pitted, epaleate. Ray-florets 8–12, pistillate, fertile; corollas yellowish with 4–5+ purplish nerves (apices 3–4-lobed). Disc-florets 40–60+, bisexual, fertile; corollas yellowish to purplish, tubes much shorter than ampliate, cylindric throats, lobes 5, ± deltate (± equal, usually hispidulous and/or glandular-puberulent). Cypselae obpyramidal, ± 4–5-angled (lengths 1.5–3 times widths), ± hispid on angles; pappi persistent, of 4–5 brownish, moderately lacerate to erose or truncate scales.
Discussion
Species 1.