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 4–6+ mm), distally piloso-hirsute (hairs 4–6+ mm).

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 1–4, cauline 6–9;

blades oblanceolate to lanceolate, 25–150 × 10–35+ mm, lengths 2.5–5+ times widths, bases cuneate, margins usually entire, apices ± acute, faces piloso-hirsute (hairs 3–5+ mm).

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

piloso-hirsute, stellate-pubescent, and stipitate-glandular.

campanulate, 8–10 mm.

campanulate, 8–9(–12) mm.

20–45+;

corollas yellow, 10–12 mm.

25–40+;

corollas yellow, 5–8 mm.

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

16–21+, apices acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

bractlets 5–13+.

bractlets 10–15+.

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

3–25+ 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 50–60+, white or stramineous bristles in ± 2 series, 5–6 mm.