Flora of North America species comparison

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

1–5, erect to curved-ascending, red-tinged, glabrous or sparsely tomentulose distally, 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 oblanceolate to elliptic, 100–300 × 10–50 mm, margins sharply serrate to undulate or entire, glabrous or villoso-ciliate on petioles and midribs;

cauline short-petiolate to sessile, moderately reduced distally, bases clasping, margins ciliate, apices obtuse to acute, faces sparsely villous, eglandular.

1–5 cm.

1–8 cm.

hemispheric, 10–20 × 15–60 mm.

hemispheric, 10–18 × 15–28 mm.

30–90;

corollas (bright yellow) 9–30 mm.

15–23;

corollas 8–15 mm.

100+;

corollas 7–13 mm.

35–50;

corollas 5–9 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 2–3 series, loose, green with whitish base, linear-lanceolate, 9–13 mm, subequal, margins entire, ciliate, faces villous proximally.

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

3–10 in narrow, elongate, racemiform arrays.

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

pappi tawny, 6–12 mm.

narrowly oblong, 4-angled, 3–6 mm, faces striate, densely sericeous;

pappi tawny, 6.5–9.5 mm.

= 36.