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 usually glabrous, sometimes piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, distally glabrous or stellate-pubescent.

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 0–7(–12+), cauline (1–)3–8+;

blades oblanceolate or spatulate to lance-linear, 60–120(–200) × 8–15(–45+) mm, lengths 5–10(–15+) times widths, bases cuneate, margins of some or all sinuately toothed, apices acute, faces piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent.

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

usually stellate-pubescent, sometimes stipitate-glandular as well.

campanulate, 7–10 mm.

± campanulate to obconic, 7–9+ (× 5–6) mm.

12–24+;

corollas yellow, 7–12 mm.

15–30+;

corollas yellow, 8–10 mm.

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

13–21+, apices acute, abaxial faces usually stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well (hairs 0.5–1+ mm), rarely glabrous.

bractlets 9–13+.

bractlets 8–12+.

(3–)6–12+ in corymbiform arrays.

12–25(–40+) in paniculiform arrays.

columnar, ca. 3.5 mm;

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

(black) columnar, 2.5–3 mm;

pappi of 40–60+, white bristles in ± 2 series, 3.5–5 mm.