Flora of North America species comparison

2–10, erect or ascending, pale or reddish, often stout, usually glabrous, often tomentose distally.

1–7, curved-ascending to decumbent, red-tinged, sparsely leafy to almost naked, glabrate to lanate or tomentulose, eglandular.

basal petiolate, blades oblanceolate to spatulate or narrowly elliptic, 80–450 × 5–60 mm (firm, leathery, succulent), margins entire or undulate, eciliate, apices acute or obtuse, faces usually glabrous, rarely puberulent, eglandular;

cauline sessile, blades lanceolate, 10–120 × 5–30 mm, bases clasping.

basal petiolate, blades linear to oblanceolate or elliptic, 40–150 × 3–20 mm, margins usually sharply dentate to laciniate, rarely entire;

cauline sessile, few, blades lanceolate, 20–50 × 2–6 mm, bases cordate, clasping;

faces glabrous, sparsely to densely shaggy-tomentose or lanate, eglandular.

1–5 cm.

2–12 cm.

hemispheric, 10–20 × 15–60 mm.

hemispheric, 6–13 × 10–20 mm.

30–90;

corollas (bright yellow) 9–30 mm.

18–50;

corollas 7–11 mm.

100+;

corollas 7–13 mm.

35–60;

corollas 5–8 mm.

in 2–3 series (loose), usually green, sometimes yellowish, oblong to spatulate, 9–15 mm, subequal, margins pale, entire or denticulate, eciliate, apices ± erect, obtuse, broad.

in 2 series, appresssed or loose, linear-lanceolate, 6–11 mm, subequal or unequal (sometimes outer ± shorter and green throughout), margins ciliate, faces usually villous to lanate, rarely glabrous.

usually borne singly, terminal, sometimes 2–6 (not subtended by leaflike bracts).

usually borne singly, sometimes 2–4 in racemiform arrays.

narrowly oblong, compressed, 5–8 mm, 4-angled, faces striate, glabrous;

pappi tawny, 6–12 mm.

subcylindric, 2–4 mm, obscurely nerved and angled, faces sericeous;

pappi tawny, 5–7 mm.