Flora of North America species comparison

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

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

glabrous or sparsely hairy (basal leaves withered by flowering);

proximal blades lanceolate to lance-linear, usually irregularly laciniate;

mid and distal blades lance-linear, entire.

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

3–10 cm, moderately hairy.

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

ovoid to conic, 6–10 × 5–10 mm.

9–24, neuter;

corollas yellow, 12.5–21 × 4–8 mm.

0.

200–500(–800+);

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

225–500+;

corollas yellow-green proximally, brown to reddish brown distally, 1–1.3 mm, lobes 4.

(connate proximally) sparsely to moderately hairy.

(strongly connate proximally), moderately hairy.

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

10–75(–120+) per plant, in paniculiform arrays.

1–1.4 mm, sparsely to moderately hairy;

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

0.9–1.2(–1.5) mm, moderately hairy;

pappi of 6(–7) entire, non-aristate scales 0.2–0.5 mm.

= 26, 28.

= 26.