Flora of North America species comparison

glabrous or sparsely pilose.

hirsute to piloso-hirsute.

basal and proximal cauline (arising from separated nodes) 1-nerved, linear to linear-lanceolate, 100–300 × 1–2(–2.5) mm, gradually or abruptly reduced distally, essentially glabrous, gland-dotted (proximal margins sometimes ciliate).

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.

(ascending) 1–7 mm.

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

turbinate-campanulate, 5–7 × 4–5 mm.

cylindro-campanulate, 11–17 × 6–9 mm.

4–6;

corolla tubes glabrous inside.

15–30;

corolla tubes glabrous inside (lobes adaxially hispid).

in 2–3(–4) series, lanceolate to oblong or elliptic-oblong, unequal, essentially glabrous, margins with (pinkish purple) hyaline borders, apices usually rounded-retuse and minutely involute-cuspidate to apiculate.

(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 compact, racemiform arrays.

in loose, racemiform to spiciform arrays.

2.5–4 mm;

pappi: lengths ± equaling corollas, bristles barbellate.

5.5–6.5 mm;

pappi: lengths ± equaling corollas, bristles plumose.

globose.

globose to slightly elongate.