Flora of North America species comparison

3–15+, branched in distal 1/2, slender and wiry, glabrous.

8–30+, simple, moderately stout to stout, not wiry, villous to pilose.

basal often withering by flowering, 20–35 × 6–12 mm, pinnatifid;

cauline evenly spaced, blades oblong to linear, scalelike, 4–6 × 1–2 mm (except proximalmost), markedly reduced distally, margins usually entire, faces glabrous.

basal persistent (similar to cauline);

cauline only a few pairs clustered with basal, absent distally, blades narrowly to broadly oblanceolate or spatulate, 10–80 × 3–10 mm, margins evenly to irregularly serrate or serrulate, teeth 3–14 per side, each tipped with white bristle 0.5–2 mm, faces sparsely to moderately hairy.

minutely glandular, if stipitate, then minutely so;

bracts 5–25, imbricate, grading into phyllaries.

moderately to densely white-puberulent, eglandular; ebracteate.

1.

hemispheric (narrowed at bases), 0.5–0.8 × 1–1.2 cm.

depressed-hemispheric, 5–8 × 10–25 mm.

15–25;

corollas yellow, tubes 3.5–4 mm, laminae 5–6 × 1.5–2.5 mm.

20–35;

corollas pink to purple, tubes 2–3.5 mm, laminae 9.3–15 × 2.2–4.3 mm.

25–40+;

corollas 4.8–6.3 mm.

50–150+; 4.5–6.5 mm.

in 5–6 series, oblong to linear-oblanceolate, 1.5–6.5 mm, apices acute, tipped by white bristle, faces minutely stipitate-glandular.

in 3–4 series, broadly linear to lanceolate, 2.5–13 mm, apices acute to acuminate, tipped by white seta, faces moderately puberulent.

narrowly obovoid to oblanceoloid, 1.5–2.5 mm, nerves 12–18, moderately tawny hairy;

pappi tawny, 3.5–6 mm, a few abaxial bristles to 1/3 of longest.

narrowly obovoid to oblong, 1.7–3 mm, weakly 10–20-nerved or -ribbed, moderately to densely covered with whitish to tawny hairs;

pappi whitish to tawny, 3.5–6 mm, a few abaxial bristles to 1/3 of longest.

= 8, 16.

= 8, 16.