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 3–8+ mm) and/or stellate-pubescent, distally usually glabrous.

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 0(–2), cauline 6–12+;

blades elliptic or oblanceolate to lanceolate, 30–80(–150) × 6–25(–35) mm, lengths 3–6+ times widths, bases cuneate, margins usually toothed, sometimes denticulate or entire, apices acute to acuminate, faces glabrous or piloso-hirsute (hairs 1–4+ mm).

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

usually glabrous, sometimes stipitate-glandular.

campanulate, 7–10 mm.

campanulate to cylindric, 6–7 mm.

12–24+;

corollas yellow, 7–12 mm.

8–20(–30);

corollas ochroleucous to yellow, 5–8 mm.

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

8–13+, apices acute to acuminate, abaxial faces usually glabrous, sometimes stipitate-glandular.

bractlets 9–13+.

bractlets 8–13+.

(3–)6–12+ in corymbiform arrays.

(6–)12–50+ in corymbiform to paniculiform arrays.

columnar, ca. 3.5 mm;

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

columnar, 2–2.5 mm;

pappi of 35–40+, stramineous bristles in ± 2 series, 4–5 mm.