Flora of North America species comparison

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

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

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.

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.

2–12 cm.

0–1 cm.

hemispheric, 6–13 × 10–20 mm.

campanulate, 9–14 × 6–13 mm.

18–50;

corollas 7–11 mm.

12–20;

corollas 7–13 mm.

35–60;

corollas 5–8 mm.

25–40;

corollas 6–10 mm.

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.

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, sometimes 2–4 in racemiform arrays.

12–30 in crowded, glomerate, spiciform arrays.

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

pappi tawny, 5–7 mm.

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

pappi tawny to brownish, 5–7.5 mm.

= 24.