Flora of North America species comparison

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

1–5, erect, glabrous, gland-dotted, resinous.

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 or oblanceolate, 50–250 × 7–30 mm, margins sharply serrate, ciliate, apices acute;

cauline sessile, blades lanceolate, 30–100 × 5–15 mm;

faces glabrous, gland-dotted.

1–5 cm.

0–1 cm.

hemispheric, 10–20 × 15–60 mm.

campanulate, 9–14 × 6–13 mm.

30–90;

corollas (bright yellow) 9–30 mm.

12–20;

corollas 7–13 mm.

100+;

corollas 7–13 mm.

25–40;

corollas 6–10 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, linear or lanceolate, 7–13 mm, unequal, bases chartaceous, margins entire, eciliate, apices green, acute to acuminate or caudate, faces glabrous, gland-dotted.

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

12–30 in crowded, glomerate, spiciform arrays.

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

pappi tawny, 6–12 mm.

subcylindric, 2.5–4 mm, 4-angled, faces striate, silky;

pappi tawny to brownish, 5–7.5 mm.

= 24.