Flora of North America species comparison

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

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

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.

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 glabrous, sometimes stipitate-glandular.

stellate-pubescent and stipitate-glandular.

± campanulate, (7–)8–10(–11) mm.

campanulate, 8–11 mm.

(6–)12–25+;

corollas yellow, 9–10 mm.

20–50+;

corollas yellow, 10–12+ mm.

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

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

bractlets 5–12+.

bractlets 5–12+.

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

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

columnar, 2.5–4 mm;

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

urceolate, 3.5–4+ mm;

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