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 piloso-hirsute (hairs 2–4+ mm), sometimes stellate-pubescent as well, distally stellate-pubescent, sometimes piloso-hirsute 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 0(–2+), cauline (3–)6–12+;

blades elliptic or obovate to oblanceolate, 20–35(–90) × 10–40(–50) mm, lengths 2–4+ times widths, bases cuneate to rounded (sometimes ± clasping), margins entire, apices rounded to acute, abaxial faces piloso-hirsute (hairs 2–4 mm) and stellate-pubescent, adaxial piloso-hirsute.

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

stellate-pubescent and stipitate-glandular.

campanulate, 7–9 mm.

cylindric to campanulate, 7–10 mm.

(30–)40–60+;

corollas yellow, 9–11 mm.

12–20+;

corollas yellow, 8–9+ mm.

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

12–15+, apices rounded to acute or acuminate, abaxial faces glabrous or stellate-pubescent, rarely stipitate-glandular as well.

bractlets 12–15+.

bractlets 8–12+.

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

(5–)25–50 in usually narrow, thyrsiform arrays (lengths of arrays usually 3–6+ times diams., sometimes shorter).

columnar, 2.5–3 mm;

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

urceolate, 3.5–4.5+ mm;

pappi of ca. 40+, stramineous bristles in 2+ series, ca. 5 mm.