Flora of North America species comparison

usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally.

glabrous or sparsely to moderately hairy;

basal blades oblanceolate to obovate or spatulate, entire or serrate;

proximal and mid blades oblanceolate to lanceolate, entire or toothed;

distal blades lanceolate to lance-linear, entire.

3–10 cm, sparsely to moderately hairy.

globoid to usually ovoid, 8–17 × 9–17 mm.

usually 8–13, neuter, sometimes 0;

corollas yellow to reddish brown to red to purple, 10–20 × 5–10 mm.

250–500(–700+);

corollas yellow proximally and purple distally or purple throughout, 2.3–3.7 mm, lobes 4(–5).

(connate proximally) moderately to densely hairy.

(1–)5–50(–80+) per plant, in paniculiform arrays.

1–1.2 mm, moderately hairy;

pappi of 5–6 entire, aristate scales 0.6–1(–1.7) mm.

= 28.