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 glabrous or piloso-hirsute (hairs 6–10+ mm), distally glabrous.

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 (0–)3–5, cauline 4–8+;

blades oblanceolate to lanceolate or linear, 40–80(–120) × 5–10(–20) mm, lengths 2.5–8+ times widths, bases cuneate to truncate, margins entire, apices rounded to acute, faces glabrous or piloso-hirsute (hairs 3–6+ mm).

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

usually glabrous, sometimes stellate-pubescent and/or stipitate-glandular.

campanulate, 8–10 mm.

campanulate, 7–10 mm.

20–45+;

corollas yellow, 10–12 mm.

ca. 20;

corollas whitish to pinkish, ca. 8 mm.

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

13–16+, apices ± rounded, abaxial faces usually glabrous, sometimes stellate-pubescent and/or stipitate-glandular.

bractlets 5–13+.

bractlets 8–13.

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

6–25+ 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.

weakly urceolate, 3–4.5 mm;

pappi of 50–60+, white or stramineous bristles in 2+ series, 4–5+ mm.