Flora of North America species comparison

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

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

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.

basal (0–)3–5, cauline 2–3(–8);

blades lance-elliptic to lanceolate, 30–80(–100) × (3–)10–20(–30+) mm, lengths 3–8(–10+) times widths, bases cuneate, margins usually entire, sometimes denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–3+ mm), sometimes glabrate.

piloso-hirsute and stellate-pubescent.

densely stipitate-glandular.

hemispheric to obconic, 7.5–9 mm.

campanulate, 10–12 mm.

60–120+;

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

30–60+;

corollas yellow, 9–11 mm.

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

13–21+, apices ± acuminate, abaxial faces stipitate-glandular.

bractlets 8–15+.

bractlets 7–9+.

usually borne singly, rarely 2(–3).

(1–)3–12+ in corymbiform arrays.

columnar, 1.5–2 mm;

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

columnar, 2.5–3 mm;

pappi of 50–60+, white bristles in ± 2 series, ca. 5 mm.