Flora of North America species comparison

glabrous.

hirsute to piloso-hirsute.

basal and proximal cauline 1-nerved, linear-oblanceolate to narrowly oblanceolate, 80–210 × 2–5(–10) mm, gradually or abruptly reduced distally, essentially glabrous (sparsely piloso-ciliate along proximal margins), gland-dotted.

basal and proximal cauline 3–5-nerved, linear-lanceolate, 60–180 × 2–7 mm (largest usually distal to proximalmost), gradually reduced distally, hirsute to piloso-hirsute.

0 or (ascending) 2(–7) mm.

0 or (peduncles spreading to ascending) 1–10 mm.

turbinate, 6–8 × 5–7 mm.

cylindro-campanulate, 11–17 × 6–9 mm.

(7–)8–11(–13);

corolla tubes pilose inside.

15–30;

corolla tubes glabrous inside (lobes adaxially hispid).

in 3–4(–5) series, mostly oblong, unequal, essentially glabrous, margins with hyaline borders (0.2–0.4 mm wide), sometimes sparsely ciliolate, apices rounded.

(spreading to reflexed) in 5–7 series, ovate-triangular (outer) to oblong-triangular, unequal, usually sparsely hirsute, margins without hyaline borders, coarsely hirsute-ciliate, apices acute-acuminate.

in loose, racemiform arrays (internodes 2–14 mm).

in loose, racemiform to spiciform arrays.

2.8–3.5(–3.8) mm;

pappi: lengths ± equaling corollas, bristles barbellate.

5.5–6.5 mm;

pappi: lengths ± equaling corollas, bristles plumose.

mostly globose.

globose to slightly elongate.

= 20.