Flora of North America species comparison

usually prostrate or decumbent, rarely erect, branched proximally, glabrous or hairy at nodes and distally.

erect, branched distally, glabrous or ± hairy.

linear to oblanceolate, 10–90 × 2–12 mm, (fleshy) margins entire or lobed, faces glabrous.

linear, 10–80 × 1–2(–3+) mm, margins entire, faces glabrous or sparsely hairy.

hemispheric, 4–7 mm.

hemispheric, 5–7 mm.

conic, muricate, glabrous.

± conic, warty, glabrous or sparsely hairy.

7–12; (corollas light to golden yellow) laminae oblong, 1–3 mm.

6–10; (corollas lemon- or golden yellow) laminae narrowly oblong, 6–7 mm.

6–14, lanceolate to ovate, hairy (especially at margins and midribs).

8–14, ± deltate (distinct tips ± deltate), glabrous but for apices.

gray, linear to narrowly clavate, (2–)2.5–3 mm, ± hairy;

pappi usually of 4–6(–12) brown, lanceolate or subulate, aristate scales plus 4–5+ shorter, laciniate scales, rarely 0.

black, strongly flattened, obovoid, 2–3 mm, margins ciliate (hairs white or stramineous, stiff, blunt, curved), faces glabrous or scabrous;

pappi 0.

appendages ± oblong, obtuse (style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs).

appendages deltate or broadly ovate.

= 8.

= 14.