Flora of North America species comparison

1(–2), branched distally, strongly winged, glabrous or sparsely to moderately hairy proximally, glabrous or sparsely hairy distally.

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

glabrous or sparsely to densely hairy;

basal blades oblanceolate, weakly to strongly lobed;

proximal and mid blades oblanceolate to lanceolate, usually entire, sometimes dentate;

distal blades usually lanceolate, entire.

glabrous;

basal blades narrowly obovate to narrowly oblanceolate, usually entire, sometimes undulate-serrate;

proximal and mid blades narrowly lanceolate, usually entire, sometimes undulate-serrate;

distal blades lance-linear, usually entire, rarely undulate-serrate.

2–8 cm, sparsely to moderately hairy.

10–30 cm, sparsely hairy.

globoid, 8–15 × 10–16 mm.

hemispheric to globoid, 10–18 × 15–25 mm.

8–13, pistillate, fertile;

corollas yellow, 10–15 × 4–10 mm.

13–30, neuter;

corollas yellow, 14–25 × 4–10 mm.

200–400+;

corollas yellow proximally, yellow to yellow-brown distally, 2.5–3.5 mm, lobes 5.

250–650(–1000+);

corollas yellow, 4.3–5.4 mm, lobes 5.

(connate proximally) sparsely to moderately hairy.

sparsely to moderately hairy.

2–25+ per plant, in paniculiform arrays.

1(–3) per plant, usually borne singly.

1.8–2.3 mm, moderately hairy;

pappi of 5–6 entire, aristate scales 1.3–2 mm.

1.2–1.5 mm, moderately hairy;

pappi of 5–12 deeply lacerate, non-aristate scales 2–3.7 mm.

= 32.