Flora of North America species comparison

proximally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, sometimes glabrous, distally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, rarely stipitate-glandular as well, sometimes glabrous.

proximally piloso-hirsute (hairs 1–4+ mm) and stellate-pubescent, distally piloso-hirsute and/or stellate-pubescent.

basal 0(–5+), cauline (3–)5–10+;

blades lanceolate, oblanceolate or narrowly oblong to elliptic, 50–100(–200) × 10–25(–35+) mm, lengths (3–)4–8+ times widths, bases cuneate, margins entire or denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, rarely glabrous.

basal 4–6, cauline (1–)3–4+;

blades elliptic to obovate, 35–80(–120) × 15–30(–40+) mm, lengths 2–4+ times widths, bases cuneate to rounded (sometimes ± clasping), margins entire or denticulate, apices rounded to obtuse, abaxial faces piloso-hirsute (hairs 1.5–4 mm), sometimes stellate-pubescent as well, adaxial piloso-hirsute.

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous.

stellate-pubescent and stipitate-glandular.

campanulate, 8–10 mm.

campanulate, 8–11 mm.

20–45+;

corollas yellow, 10–12 mm.

20–50+;

corollas yellow, 10–12+ mm.

12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

9–13+, apices acute to acuminate, abaxial faces stellate-pubescent and stipitate-glandular.

bractlets 5–13+.

bractlets 5–12+.

(3–)9–25+ in corymbiform to thyrsiform arrays.

(12–)20–50+ in open, corymbiform arrays (lengths of arrays ± 2 times diams.).

(red-brown or black) columnar, ca. 3 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm.

urceolate, 3.5–4+ mm;

pappi of 32–40+, white to stramineous bristles in 1–2+ series, 5–6.5 mm.