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

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;

blades narrowly elliptic to lance-linear, usually entire;

proximal blades sometimes pinnately lobed.

3–10 cm, sparsely to moderately hairy.

3–13 cm, sparsely to moderately hairy.

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

ovoid to conic, 7–11(–14) × 6–11 mm.

usually 8–13, neuter, sometimes 0;

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

10–15, pistillate, fertile;

corollas yellow, 7–12.4 × 4–8.8 mm.

250–500(–700+);

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

225–500+;

corollas yellow proximally, yellow to brown to reddish brown distally, 1.1–1.8 mm, lobes 4.

(connate proximally) moderately to densely hairy.

(connate proximally) sparsely to densely hairy.

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

5–15(–50+) per plant, in paniculiform arrays.

1–1.2 mm, moderately hairy;

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

0.6–1.2 mm, moderately hairy;

pappi of usually 6 entire, non-aristate scales 0.1–0.3 mm.

= 28.

= 26.