Flora of North America species comparison

proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ 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 6–12+;

blades spatulate to oblanceolate, 25–80(–100+) × 8–15(–25+) mm, lengths 3–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices obtuse to acute, abaxial faces piloso-hirsute (hairs 2–5+ mm), adaxial usually piloso-hirsute at margins (hairs 2–5+ mm), rarely glabrous.

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).

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

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

campanulate, 7–10 mm.

± campanulate, 6–8+ (× 4–5) mm.

12–24+;

corollas yellow, 7–12 mm.

20–24+;

corollas yellow, 6–9 mm.

12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent.

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

bractlets 9–13+.

bractlets 3–8+.

(3–)6–12+ in corymbiform arrays.

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

columnar, ca. 3.5 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 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.