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

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

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

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

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

14–20, pistillate, fertile;

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

9–24, neuter;

corollas yellow, 12.5–21 × 4–8 mm.

250–500(–800+);

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

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

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

1.8–2.4 mm, moderately hairy;

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

1–1.4 mm, sparsely to moderately hairy;

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

= 32.

= 26, 28.