Flora of North America species comparison

moderately to densely strigoso-hirtellous.

glabrous or sparsely pilose.

basal and proximal cauline 1-nerved, narrowly oblanceolate to linear-oblanceolate, 90–180 × 2–4(–7) mm, gradually or abruptly reduced distally, essentially glabrous (proximal margins sparsely ciliate).

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).

(divergent-ascending, initially diverging at angles of 45–90°) 10–25(–30) mm.

(ascending) 1–7 mm.

turbinate-campanulate, (5–)6–7.5 × 5–7 mm.

turbinate-campanulate, 5–7 × 4–5 mm.

7–12;

corolla tubes pilose inside.

4–6;

corolla tubes glabrous inside.

in (2–)3–4(–5) series, broadly obovate (outer) to broadly oblong-obovate, strongly unequal, sparsely strigoso-villous (outer) or essentially glabrous, margins with (pinkish purple) hyaline borders, sometimes slightly erose, usually densely ciliate, apices rounded to subtruncate.

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.

in loose, (columnar) racemiform arrays.

in compact, racemiform arrays.

2.5–2.8 mm;

pappi: lengths equaling or surpassing corollas, bristles barbellate.

2.5–4 mm;

pappi: lengths ± equaling corollas, bristles barbellate.

globose to depressed-globose.

globose.