Flora of North America species comparison

proximally piloso-hirsute (hairs 1.5–5+ mm), sometimes stellate-pubescent as well, distally stellate-pubescent, sometimes stipitate-glandular, rarely piloso-hirsute (hairs 1–2+ mm).

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

basal 0(–3), cauline 6–24+;

blades elliptic or oblanceolate to spatulate or lanceolate, (20–)35–80(–120+) × (10–)20–35(–50+) mm, lengths 2–6+ times widths, bases cuneate to rounded-truncate, margins usually entire, sometimes denticulate, apices rounded to obtuse, faces hirtellous to piloso-hirsute (hairs 0.5–1+ mm).

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.

stellate-pubescent and stipitate-glandular (hairs 0.3–0.6+ mm).

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

campanulate, 7–9 mm.

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

(30–)40–60+;

corollas yellow, 9–11 mm.

15–30+;

corollas yellow, 8–10 mm.

13–21+, apices ± acuminate, abaxial faces stellate-pubescent and stipitate-glandular, rarely, if ever, piloso-hirsute.

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 12–15+.

bractlets 8–12+.

(5–)10–25(–50+) in corymbiform to paniculiform arrays.

12–25(–40+) in paniculiform arrays.

columnar, 2.5–3 mm;

pappi of 30–40+, stramineous bristles in ± 2 series, 6–7 mm.

(black) columnar, 2.5–3 mm;

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