Flora of North America species comparison

usually 1, sparingly branched distally, weakly winged, glabrous or sparsely hairy.

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

glabrous or sparsely hairy;

blades all lance-linear, entire or coarsely toothed.

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.

4–13 cm, glabrous or sparsely to moderately hairy.

2–8 cm, sparsely to moderately hairy.

globoid to ovoid, 11–16 × 14–20 mm.

globoid, 8–15 × 10–16 mm.

12–18, pistillate, fertile;

corollas usually yellow, sometimes yellow with purple streaks, 10–20 × 5–13 mm.

8–13, pistillate, fertile;

corollas yellow, 10–15 × 4–10 mm.

300–500(–700+);

corollas yellow proximally, yellow to purple to dark blue-purple distally, 3.2–3.6 mm, lobes 5.

200–400+;

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

sparsely to densely hairy.

(connate proximally) sparsely to moderately hairy.

1–15(–25) per plant, in paniculiform arrays.

2–25+ per plant, in paniculiform arrays.

2–2.9 mm, moderately hairy;

pappi of 6–7 entire, aristate scales 1.5–2 mm.

1.8–2.3 mm, moderately hairy;

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

= 30.