Flora of North America species comparison

spreading or erect.

sprawling to erect.

sessile;

blades ovate to lanceolate, 18–65 × 7–40 mm, abaxially lanate, adaxially usually glabrous and shiny, rarely sparsely tomentulose, then usually glabrescent.

petiolate;

blades lanceolate, 50–120 × 6–20 mm, abaxially lanate, adaxially loosely tomentose.

10–50 mm.

15–35 mm.

11–23;

corollas pale yellow, 8–11 mm.

13–26;

corollas yellow, 11–12 mm.

6–14, ovate to lanceolate, 5–9 mm.

10–14, linear, 9–10 mm.

3–4 mm, 9-nerved, glabrous or strigose;

pappi of 80–120 bristles 8–10 mm.

5–6 mm, 12–15-nerved, glabrous;

pappi of ca. 125 bristles 10–11 mm.

= 60.