Flora of North America species comparison

usually not fleshy or clustered.

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

decumbent, branched proximally, ± hairy.

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.

mostly basal;

blades linear to oblong, 28–88 × 1.5–5.5(–15) mm, fleshy, margins entire or with 3–5+ teeth (ciliate), faces glabrous or ± hairy.

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

campanulate to depressed-hemispheric, 9–14 mm.

conic, muricate, glabrous.

6–16;

laminae linear to oblong, 5–18 mm.

8–16;

laminae elliptic to oblong, 6–18 mm.

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

± persistent, 9–16 in 2 series, elliptic to ovate.

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.

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

pappi 0, or of 1–4 translucent, brown, subulate, aristate scales (sometimes variable within heads).

appendages deltate to sublanceolate.

appendages deltate to sublanceolate.

= 48.