Flora of North America species comparison

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

proximally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 0.5–1+ mm) and 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 2–4, cauline (2–)4–10;

blades (often purple-mottled) oblong to lanceolate, 20–80 × 7–20+ mm, lengths 3–4 times widths, bases cuneate, margins usually dentate, sometimes entire, apices acute to acuminate, abaxial faces glabrous or piloso-hirsute (especially midribs), adaxial glabrous or stellate-pubescent.

usually glabrous, sometimes stipitate-glandular.

piloso-hirsute and stellate-pubescent (not, or rarely, stipitate-glandular).

± campanulate, (7–)8–10(–11) mm.

campanulate to obconic, 10–15 mm.

(6–)12–25+;

corollas yellow, 9–10 mm.

30–50+;

corollas yellow (lengths unknown).

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

25–35, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular.

bractlets 5–12+.

bractlets 10–16.

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

1–5(–10) in ± corymbiform arrays.

columnar, 2.5–4 mm;

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

columnar, 3–5 mm;

pappi of ca. 30, stramineous bristles in ± 2 series, ca. 6 mm.