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

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

densely stipitate-glandular.

campanulate, 7–10 mm.

campanulate, 10–12 mm.

12–24+;

corollas yellow, 7–12 mm.

30–60+;

corollas yellow, 9–11 mm.

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

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

bractlets 9–13+.

bractlets 7–9+.

(3–)6–12+ in corymbiform arrays.

(1–)3–12+ in corymbiform arrays.

columnar, ca. 3.5 mm;

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

columnar, 2.5–3 mm;

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