Platyschkuhria |
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basindaisy |
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Habit | Perennials, 10–50+ cm (bases ± woody, branched caudices). |
Stems | ± erect. |
Leaves | basal and cauline; mostly alternate; petiolate; blades mostly lanceolate, sometimes ± ovate, margins en- tire, faces sparsely to densely scabrellous (hairs white, straight, conic or fusiform, 0.1–0.8 mm) and gland-dotted. |
Involucres | campanulate to ± hemispheric, 12–25+ mm diam. |
Receptacles | ± convex, ± pitted, epaleate. |
Ray florets | 6–12, pistillate, fertile; corollas yellow. |
Disc florets | 25–80+, bisexual, fertile; corollas yellow to orange (gland-dotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate. |
Phyllaries | 9–21 in ± 2 series, distinct, subequal, oblong or elliptic to lanceolate, herbaceous, membranous-margined (not purplish-margined), persistent, reflexed in fruit. |
Heads | radiate, borne singly or (3–11) in loose, corymbiform to paniculiform arrays. |
Cypselae | narrowly obpyramidal, 4-angled, finely nerved, ± hirsutulous (at least on angles), not gland-dotted; pappi of 8–16, (distinct) lance-elliptic to lance-subulate (basally and/or medially thickened, distally and/or laterally scarious) scales in 1 series (weakly, if at all, aristate). |
x | = 12. |
Platyschkuhria |
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Distribution |
w United States |
Discussion | Species 1. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 21, p. 394. |
Parent taxa | |
Subordinate taxa | |
Synonyms | Schkuhria section P. |
Name authority | (A. Gray) Rydberg: Bull. Torrey Bot. Club 33: 154. (1906) |
Web links |