Flora of North America species comparison

mostly simple.

(often reddish purple) mostly simple.

3–8 pairs, mostly crowded toward bases; petiolate (at least proximal);

blades elliptic to oblanceolate or obovate, 5–10 × 0.5–3.5 cm, margins entire, apices acute, faces densely hairy (hairs relatively short, curly) and sessile-glandular (distal leaves sessile, much reduced).

3–4 pairs, mostly cauline (basal often persistent on sterile rosettes); petiolate (petioles usually narrow, proximalmost sometimes broadly winged);

blades (often reddish purple) usually elliptic to ovate, sometimes subcordate, 1.5–8 × 1.5–4 cm (often relatively thick, nearly succulent), margins usually entire or serrate, sometimes crenate or slightly lobed, apices acute to rounded, faces glabrous or scabrous.

campanulate to hemispheric.

campanulate-turbinate.

5–12;

corollas yellow.

5–10;

corollas yellow to slightly orange.

(functionally staminate): corollas yellow;

anthers yellow (styles rarely exserted).

corollas yellow;

anthers yellow.

5–12 (in 1 series), oblong or elliptic.

8–14, ovate to broadly lanceolate.

1–6.

usually 1, sometimes 2–3 (often nodding in bud).

brown to black, 4–10 mm, sparsely to densely hirsute (hairs usually simple, rarely duplex) and sparsely stipitate-glandular;

pappi 0.

dark gray, 6–8 mm, sparsely to densely hirsute (hairs duplex);

pappi white, bristles usually barbellate, sometimes subplumose.

= 38, 76.

= 38.