Flora of North America species comparison

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

1–10, decumbent to ascending or erect, red-tinged, sometimes branched, sparsely leafy, ± tomentulose or glabrous, sometimes stipitate-glandular.

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 blades lanceolate or rarely oblanceolate to narrowly elliptic, 50–300 × 8–30 mm, margins sharply dentate, eciliate, apices acute, spinulose;

cauline sessile, lanceolate, bases clasping;

faces ± tomentulose to glabrate or glabrous, sometimes stipitate-glandular.

1–5 cm.

0–6 cm.

hemispheric, 10–20 × 15–60 mm.

hemispheric, 7–10 × 10–18 mm.

30–90;

corollas (bright yellow) 9–30 mm.

18–45;

corollas 6–11 mm.

100+;

corollas 7–13 mm.

20–100;

corollas 5–7 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 3–4 series, linear-lanceolate to lanceolate, 3–11 mm, unequal, bases white-chartaceous, margins entire, eciliate, apices conspicuously green, faces glabrous or tomentulose, rarely stipitate-glandular.

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

(1–)4–20(–50) in corymbiform or paniculiform arrays.

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

pappi tawny, 6–12 mm.

oblong, 3.5–4.5 mm, 4-angled, faces striate, sericeous;

pappi tawny, 5–7 mm.