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 3–6+ mm), distally glabrous or stellate-pubescent, sometimes piloso-hirsute (hairs 1–3+ mm) and stipitate-glandular as well.

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 3–12+, cauline (1–)3–6;

blades oblanceolate to lanceolate, 35–120(–200) × 10–25(–30+) mm, lengths 3–6+ times widths, bases cuneate to truncate (distal leaves), margins usually entire, sometimes denticulate or toothed, apices obtuse to acute, faces piloso-hirsute (hairs 2–3+ mm).

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

piloso-hirsute (hairs 0.5–1+ mm), stellate-pubescent, and stipitate-glandular.

campanulate, 7–9 mm.

± campanulate, 6–8+ (× 4–5) mm.

(30–)40–60+;

corollas yellow, 9–11 mm.

20–24+;

corollas yellow, 6–9 mm.

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

13–18+, apices ± rounded, abaxial faces piloso-hirsute (hairs 0.5–1+ mm), stellate-pubescent, and stipitate-glandular.

bractlets 12–15+.

bractlets 3–8+.

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

(5–)12–30(–60+) in paniculiform arrays.

columnar, 2.5–3 mm;

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

(usually black, sometimes red-brown) columnar, 2–3 mm;

pappi of 36–40+, white or stramineous bristles in ± 2 series, 3.5–5 mm.