Flora of North America species comparison

1–5, ascending or decumbent, pale and often red-tinged, sparsely villous, sometimes tomentose.

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

(persistent, thick, ± fleshy);

basal petiolate, blades lanceolate to narrowly oblanceolate, 50–140 × 9–16 mm, margins usually entire, sometimes slightly undulate, sometimes denticulate, sparsely ciliate, apices acute to obtuse, faces usually glabrous, sometimes puberulent or villous, eglandular;

cauline sessile, lanceolate to ovate, 20–40 × 5–10 mm, bases clasping, auriculate.

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.

0.5–1 cm.

2–12 cm.

broadly campanulate, 8–15 × 20–35 mm.

hemispheric, 6–13 × 10–20 mm.

21–55;

corollas 10–18 mm.

18–50;

corollas 7–11 mm.

100+;

corollas 6–8 mm.

35–60;

corollas 5–8 mm.

in 3–4 series, green with white margins, sometimes yellowish, lanceolate to oblanceolate, 6–12 mm, unequal, margins entire, ciliate, apices obtuse to acute or acuminate, faces villous.

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 2–3 smaller proximally, not subtended by leaflike bracts.

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

subfusiform, not compressed, 4–7 mm, 4-angled, faces striate, sericeous or glabrous;

pappi tawny, 6–8 mm.

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

pappi tawny, 5–7 mm.