Flora of North America species comparison

usually 1, branched distally, narrowly winged, sparsely hairy proximally, moderately hairy distally.

glabrous or sparsely hairy (basal withered by flowering);

proximal blades lance-linear, usually coarsely or irregularly laciniate;

mid and distal blades lance-linear to linear, entire.

2–8 cm, sparsely to moderately hairy.

globose to slightly ovoid, 6–11(–13) × 6–11(–13) mm.

8–9, pistillate, fertile;

corollas yellow throughout or red proximally and yellow distally or red throughout, 6–12 × 3–8 mm.

150–300(–500+);

corollas yellow-green proximally, brown to purple distally, 2.5–3.2 mm, lobes 5.

moderately hairy.

5–50(–100+) per plant, in paniculiform arrays.

1–1.2 mm, moderately hairy;

pappi of 6(–7) entire, aristate scales 2–2.5 mm.

= 28.