Flora of North America species comparison

usually 1, unbranched or sparingly branched distally, weakly to moderately winged, glabrous proximally, sparsely to moderately hairy distally.

glabrous or sparsely hairy;

basal blades oblanceolate to spatulate, entire or undulate to undulate-serrate;

proximal and mid blades oblanceolate to lanceolate, usually entire, sometimes undulate to undulate-serrate;

distal blades lance-linear, entire.

(3–)6–11(–15) cm, sparsely to moderately hairy.

hemispheric to globoid, 10–15 × 10–20 mm.

9–24, neuter;

corollas yellow, 12.5–21 × 4–8 mm.

200–500(–800+);

corollas yellow proximally, usually purple to yellow or yellow-brown distally, 4–5.6 mm, lobes 5.

(connate proximally) sparsely to moderately hairy.

1–10 per plant, borne singly or in paniculiform to corymbiform arrays.

1–1.4 mm, sparsely to moderately hairy;

pappi of 6–8 entire, non-aristate scales 1–1.7 mm.

= 26, 28.