Flora of North America species comparison

proximally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, sometimes glabrous, distally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, rarely stipitate-glandular as well, sometimes glabrous.

proximally piloso-hirsute (hairs 2–3+ mm), distally glabrous or stellate-pubescent, sometimes piloso-hirsute as well (hairs 1–2 mm).

basal 0(–5+), cauline (3–)5–10+;

blades lanceolate, oblanceolate or narrowly oblong to elliptic, 50–100(–200) × 10–25(–35+) mm, lengths (3–)4–8+ times widths, bases cuneate, margins entire or denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, rarely glabrous.

basal 0, cauline 12–20+;

blades ± lanceolate, 30–80 × 10–25 mm, lengths 2–4+ times widths, bases cuneate, margins usually toothed, apices acute to acuminate, abaxial faces piloso-hirsute, adaxial glabrous or ± scabrellous (especially distal margins).

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous.

stellate-pubescent.

campanulate, 8–10 mm.

campanulate, 8–9 mm.

20–45+;

corollas yellow, 10–12 mm.

40–60+;

corollas yellow, ca. 10 mm.

12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

21+, apices ± rounded, abaxial faces stellate-pubescent and stipitate-glandular.

bractlets 5–13+.

bractlets 21+.

(3–)9–25+ in corymbiform to thyrsiform arrays.

25–30+ in corymbiform arrays.

(red-brown or black) columnar, ca. 3 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm.

columnar, 2.5–3 mm;

pappi of ca. 60+, stramineous bristles in ± 2 series, ca. 6 mm.