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 stellate-pubescent, rarely piloso-hirsute (hairs 1–3+ mm), distally usually densely, sometimes sparsely, 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 5–8+, cauline 2–3(–5+);

blades spatulate to oblanceolate, 35–80(–150) × 8–15(–25) mm, lengths 2.5–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices rounded to acute, abaxial faces piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent, sometimes stipitate-glandular as well, adaxial piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent.

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

densely to sparsely stellate-pubescent.

campanulate, 7–9 mm.

cylindric, 9–12 mm.

(30–)40–60+;

corollas yellow, 9–11 mm.

4–10(–15+);

corollas yellow, 8–10 mm.

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

7–8+, apices rounded to obtuse, abaxial faces sparsely to densely stellate-pubescent.

bractlets 12–15+.

bractlets 3–5+.

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

(3–)8–25(–50+) in paniculiform arrays (divaricately branched).

columnar, 2.5–3 mm;

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

columnar, 4–5 mm;

pappi of 60–80, white or stramineous to rufous bristles in 2+ series, 7–9 mm.