Platyschkuhria
Bull. Torrey Bot. Club 33: 154. 1906.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Amauriopsis dissecta Platyschkuhria integrifolia Chamaechaenactis scaposa | Barbara Alongi Linda Ann Vorobik Linny Heagy |
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 glanddotted. Heads radiate, borne singly or (3–11) in loose, corymbiform to paniculiform arrays. Involucres campanulate to ± hemispheric, 12–25+ mm diam. Phyllaries 9–21 in ± 2 series, distinct, subequal, oblong or elliptic to lanceolate, herbaceous, membranous-margined (not purplish-margined), persistent, reflexed in fruit. Receptacles ± convex, ± pitted, epaleate. Ray-florets 6–12, pistillate, fertile; corollas yellow. Disc-florets 25–80+, bisexual, fertile; corollas yellow to orange (glanddotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate. Cypselae narrowly obpyramidal, 4-angled, finely nerved, ± hirsutulous (at least on angles), not glanddotted; 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.
Distribution
w United States
Discussion
Species 1.