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 usually piloso-hirsute (hairs 1–6+ mm), rarely glabrous, distally glabrous.

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 (0–)3–8+, cauline 1–5(–12+);

blades oblanceolate, 40–100(–300) × 12–30(–60+) mm, lengths 3–5+ times widths, bases cuneate, margins usually entire, sometimes sinuately toothed, apices obtuse to acute, faces piloso-hirsute (hairs 1–6 mm), rarely glabrous.

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

usually glabrous, sometimes stipitate-glandular.

campanulate, 8–10 mm.

± campanulate, (7–)8–10(–11) mm.

20–45+;

corollas yellow, 10–12 mm.

(6–)12–25+;

corollas yellow, 9–10 mm.

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

8–13+, apices acuminate, abaxial faces piloso-hirsute (hairs 1–2+ mm), stellate-pubescent, and stipitate-glandular.

bractlets 5–13+.

bractlets 5–12+.

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

(3–)12–50+ in corymbiform to paniculiform arrays.

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

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

columnar, 2.5–4 mm;

pappi of 30–40+, stramineous bristles in ± 2 series, (4–)5–7 mm.