Flora of North America species comparison

proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm).

proximally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 1–2 mm), stellate-pubescent, and stipitate-glandular.

basal 0(–3+), cauline 6–12+;

blades spatulate to oblanceolate, 25–80(–100+) × 8–15(–25+) mm, lengths 3–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices obtuse to acute, abaxial faces piloso-hirsute (hairs 2–5+ mm), adaxial usually piloso-hirsute at margins (hairs 2–5+ mm), rarely glabrous.

basal (2–)5–10+, cauline 0(–3);

blades elliptic to ± oblanceolate, 10–45(–75+) × 5–12(–18+) mm, lengths 2–4(–6+) times widths, bases cuneate, margins entire, apices acute, faces piloso-hirsute (hairs 2–7+ mm) and stellate-pubescent.

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

piloso-hirsute and stellate-pubescent.

campanulate, 7–10 mm.

hemispheric to obconic, 7.5–9 mm.

12–24+;

corollas yellow, 7–12 mm.

60–120+;

corollas yellow (often each with abaxial red stripe), 8–13+ mm.

12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent.

20–34+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well.

bractlets 9–13+.

bractlets 8–15+.

(3–)6–12+ in corymbiform arrays.

usually borne singly, rarely 2(–3).

columnar, ca. 3.5 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm.

columnar, 1.5–2 mm;

pappi of 30+, white bristles in 1 series, 4–5 mm.