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).

glabrous or nearly so.

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 5–9+, cauline 0–3;

blades oblanceolate to spatulate, 35–95+ × 12–25+ mm, lengths 2–4+ times widths, bases cuneate, margins entire, apices rounded to acute, abaxial faces glabrous or piloso-hirsute (on midribs, hairs 5–8+ mm), adaxial piloso-hirsute (hairs 5–8+ mm, often tangled).

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

glabrous or stipitate-glandular.

campanulate, 7–9 mm.

campanulate to cylindric, (7–)9–10 mm.

(30–)40–60+;

corollas yellow, 9–11 mm.

6–12;

corollas yellow, 8.5–10 mm.

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

8–13+, apices obtuse to acute, abaxial faces glabrous or stipitate-glandular.

bractlets 12–15+.

bractlets 3–5+.

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

(3–)15–15(–40+) in corymbiform arrays.

columnar, 2.5–3 mm;

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

urceolate, 5–5.5 mm;

pappi of 50–60+, stramineous to rufous bristles in 2+ series, 5–8 mm.