Flora of North America species comparison

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

1–7, procumbent to decumbent or ascending, red tinged, scapiform, glabrous or sparsely tomentose.

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 lanceolate to narrowly oblanceolate, 30–100 × 2–18 mm (leathery), margins usually coarsely dentate to laciniate, rarely entire, ciliate;

cauline sessile, blades linear-lanceolate (bractlike), 10–20 × 1–2 mm;

faces glabrous, eglandular.

1–5 cm.

2–3 cm.

hemispheric, 10–20 × 15–60 mm.

hemispheric, 7–13 × 13–20 mm.

30–90;

corollas (bright yellow) 9–30 mm.

11–40;

corollas 7–16 mm.

100+;

corollas 7–13 mm.

45–90;

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, green, oblanceolate to narrowly oblong, 4–10 mm, unequal, margins white to purplish, entire, ciliate, apices green, broad, acute, faces glabrous.

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

usually borne singly, terminal, rarely 1–2 smaller proximally.

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

pappi tawny, 6–12 mm.

fusiform, slightly flattened, 5–7 mm, 3-angled, faces striate, glabrous;

pappi tawny, 5–7.5 mm.

= 12.