Flora of North America species comparison

1–3(–10), unbranched or sparingly branched distally, weakly to moderately winged, glabrous proximally, glabrous or sparsely hairy distally.

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

glabrous or sparsely hairy;

basal blades oblanceolate to oblong-elliptic, entire;

proximal and mid blades lanceolate to oblong-elliptic, entire;

distal blades linear to lanceolate, 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.

(6–)10–30 cm, sparsely to moderately hairy.

3–10 cm, moderately hairy.

hemispheric to globoid, 12–20 × (14–)17–22(–25) mm.

ovoid to conic, 6–10 × 5–10 mm.

14–20, pistillate, fertile;

corollas yellow, 13–25 × 5–10(–12) mm.

0.

250–500(–800+);

corollas yellow proximally, yellow to brown to purple distally, 3–4.4(–4.8) mm, lobes 5.

225–500+;

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

(connate proximally) moderately to densely hairy.

(strongly connate proximally), moderately hairy.

1–20 per plant, borne singly or in paniculiform arrays.

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

1.8–2.4 mm, moderately hairy;

pappi of 6–8 entire, aristate scales 1.3–2.2(–2.7) mm.

0.9–1.2(–1.5) mm, moderately hairy;

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

= 32.

= 26.