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 6–15+ mm), distally piloso-hirsute (hairs 3–10+ mm), sometimes stellate-pubescent as well.

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 3–8+, cauline (3–)6–12+;

blades oblanceolate, 45–80(–250+) × 12–30(–40+) mm, lengths 4–7+ times widths, bases cuneate, margins entire, apices rounded to acute, faces piloso-hirsute (hairs 3–8+ mm).

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

stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well.

campanulate, 8–10 mm.

campanulate, 6–8(–10) mm.

20–45+;

corollas yellow, 10–12 mm.

30–40(–60);

corollas yellow, ca. 7 mm.

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

12–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular.

bractlets 5–13+.

bractlets 9–13+.

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

10–20+ in paniculiform to nearly racemiform arrays.

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

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

urceolate, 3–4+ mm;

pappi of 35–40+, stramineous to sordid bristles in 2+ series, 5.5–6.5 mm.