Flora of North America species comparison

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

glabrous or nearly so.

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 5–9+, cauline 0–3;

blades oblanceolate to spatulate, 35–95+ × 12–25+ mm, lengths 2–4+ times widths, bases cuneate, margins entire, apices rounded to acute, abaxial faces glabrous or piloso-hirsute (on midribs, hairs 5–8+ mm), adaxial piloso-hirsute (hairs 5–8+ mm, often tangled).

usually glabrous, sometimes stipitate-glandular.

glabrous or stipitate-glandular.

± campanulate, (7–)8–10(–11) mm.

campanulate to cylindric, (7–)9–10 mm.

(6–)12–25+;

corollas yellow, 9–10 mm.

6–12;

corollas yellow, 8.5–10 mm.

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

8–13+, apices obtuse to acute, abaxial faces glabrous or stipitate-glandular.

bractlets 5–12+.

bractlets 3–5+.

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

(3–)15–15(–40+) in corymbiform arrays.

columnar, 2.5–4 mm;

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

urceolate, 5–5.5 mm;

pappi of 50–60+, stramineous to rufous bristles in 2+ series, 5–8 mm.