Flora of North America species comparison

erect or decumbent, branched proximally or distally, ± hairy.

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

linear to oblanceolate or oblong, 8–210 × 1–5.5(–15) mm, (± fleshy in coastal forms) margins entire or with 3–5+ teeth, faces glabrous or ± hairy.

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

campanulate to depressed-hemispheric or hemispheric, 5–14 mm.

hemispheric, 4–7 mm.

conic, muricate, glabrous.

conic, muricate, glabrous.

6–16;

laminae linear to oblong, 5–18 mm.

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

(persistent or falling with cypselae) 4–16 (in 1–2 series), elliptic to ovate or lanceolate to oblong, hairy.

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

black to gray or silver-gray, linear to narrowly clavate, to 4 mm, glabrous or hairy;

pappi 0, or of 1–7 translucent (rarely opaque), brown (rarely white), linear to subulate, aristate scales.

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.

appendages deltate to sublanceolate.

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

= 8.