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 stellate-pubescent, rarely piloso-hirsute (hairs 1–3+ mm), distally usually densely, sometimes sparsely, stellate-pubescent.

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 5–8+, cauline 2–3(–5+);

blades spatulate to oblanceolate, 35–80(–150) × 8–15(–25) mm, lengths 2.5–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices rounded to acute, abaxial faces piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent, sometimes stipitate-glandular as well, adaxial piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent.

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

densely to sparsely stellate-pubescent.

campanulate, 8–10 mm.

cylindric, 9–12 mm.

20–45+;

corollas yellow, 10–12 mm.

4–10(–15+);

corollas yellow, 8–10 mm.

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

7–8+, apices rounded to obtuse, abaxial faces sparsely to densely stellate-pubescent.

bractlets 5–13+.

bractlets 3–5+.

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

(3–)8–25(–50+) in paniculiform arrays (divaricately branched).

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

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

columnar, 4–5 mm;

pappi of 60–80, white or stramineous to rufous bristles in 2+ series, 7–9 mm.