Flora of North America species comparison

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

1–3, usually branched in distal 1/2, sometimes throughout, moderately stout to stout, not wiry, mostly glabrous.

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 (if persisting) 50–80 × 15–25 mm, pinnatifid, rarely 2-pinnatifid;

cauline evenly spaced, proximal often spatulate, distal 2/3 narrowly to broadly lanceolate, 5–35 × 8–12 mm, markedly reduced distally, margins of proximal pinnatifid to coarsely serrate, of distal minutely, evenly serrulate or entire and antrorsely ciliolate, teeth or cilia 50–90+ per side, teeth tipped by white seta 0.1–1.5 mm, faces glabrous.

minutely glandular, if stipitate, then minutely so;

bracts 5–25, imbricate, grading into phyllaries.

moderately to densely hispidulous, eglandular; usually ebracteate.

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

hemispheric, 5–10 × 11–20 mm.

15–25;

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

12–34;

corollas yellow, tubes 2.5–3 mm, laminae 5–18 × 2–3 mm.

25–40+;

corollas 4.8–6.3 mm.

50–200+;

corollas 4.5–5 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, faces glabrous;

outer usually 1.5–8.5 × 2–5 mm, ciliate;

inner 2–10.5 × 1.5–4 mm, often ciliate.

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.

1.6–1.8 mm;

pappi 5–6.5 mm, outer lengths often 0.5 longest.

= 8, 16.