Flora of North America species comparison

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

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

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.

3–10 cm, sparsely to moderately hairy.

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

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

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

usually 8–13, neuter, sometimes 0;

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

9–24, neuter;

corollas yellow, 12.5–21 × 4–8 mm.

250–500(–700+);

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

200–500(–800+);

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

(connate proximally) moderately to densely hairy.

(connate proximally) sparsely to moderately hairy.

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

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

1–1.2 mm, moderately hairy;

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

1–1.4 mm, sparsely to moderately hairy;

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

= 28.

= 26, 28.