Flora of North America species comparison

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

1, branched, moderately stout to stout, not wiry, 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.

basal usually withering by flowering;

cauline evenly spaced, obovate to oblanceolate or oblong, 5–30 × 2–15 mm, markedly reduced distally, margins coarsely serrate to dentate, teeth 4–7 per side, entire, faces densely stipitate-glandular.

minutely glandular, if stipitate, then minutely so;

bracts 5–25, imbricate, grading into phyllaries.

densely stipitate-glandular, usually ebracteate.

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

hemispheric, 8–10 × 13–18 mm.

15–25;

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

14–18;

corollas yellow, tubes 3–3.5 mm, laminae 2.8–3.5 × 1.5–2 mm.

25–40+;

corollas 4.8–6.3 mm.

20–30+;

corollas 5.5–6 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 5–7 series, linear, 2–7 mm, apices narrowly obtuse to acuminate, faces stipitate-glandular.

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.

oblong to narrowly ellipsoid, 2.3–2.7 mm, 18–22-nerved, sparsely whitish-silky;

pappi tawny, 5–6 mm, mostly equal.

= 8, 16.

= 8.