Flora of North America species comparison

10–30+, simple or branched in distal 1/3, moderately stout to stout, not wiry, hairy or minutely stipitate-glandular.

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

basal often persistent;

cauline evenly spaced, blades oblong, obovate, lanceolate to spatulate or narrowly ovate to obovate, 7–60 × 2–13 mm, gradually reduced distally, margins usually evenly coarsely serrate to serrulate, teeth 4–16 per side, each tipped with white bristle 0.5–4 mm, faces sparsely to densely hairy (hairs subappressed), often minutely stipitate-glandular.

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.

sparsely to densely hairy, often stipitate-glandular;

sometimes bracteate.

minutely glandular, if stipitate, then minutely so;

bracts 5–25, imbricate, grading into phyllaries.

hemispheric to campanulate, 0.5–1 × 0.6–1.5 cm.

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

0.

15–25;

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

15–50+;

corollas 5–8.5 mm.

25–40+;

corollas 4.8–6.3 mm.

in 3–5 series, oblong to broadly lanceolate, 2–9 mm, apices obtuse to acute, tipped by white seta, faces usually densely stipitate-glandular.

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

1–10+.

oblong to narrowly obovoid, 2–3.5 mm, ribs 12–24, densely whitish to tawny hairy;

pappi whitish to tawny, 3–7 mm, a few abaxial bristles to 1/3 of longest.

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.

= 8, 16.