Flora of North America species comparison

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

erect or sprawling, branched distally, glabrous.

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

linear, 30–100 × 2–4(-6+) mm, (bases often connate and sheathing, apices blunt) margins entire, faces glabrous.

hemispheric, 4–7 mm.

hemispheric or campanulate, 5–7 mm.

conic, muricate, glabrous.

conic, papillate, glabrous.

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

6–13; (corollas pale yellow) laminae ovate-elliptic, (0–)0.5–2 mm.

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

5–10, ± lanceolate, hairy.

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.

grayish, somewhat flattened, ± linear, to 4 mm, hairy;

pappi of 5–10 subulate to lanceolate, often fimbriate, laciniate, or aristate scales.

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

appendages oblong or obovate.

= 8.

= 10.