Flora of North America species comparison

usually simple, sometimes branched.

(often reddish purple) mostly simple.

2–4(–6) pairs, mostly cauline (basal often persistent on sterile rosettes);

petiolate;

blades cordate or subcordate to ovate, 3–10 × 2–10 cm, margins dentate to coarsely dentate, apices acute to rounded, faces puberulent to sparsely villous, sometimes stipitate-glandular (especially adaxial).

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.

broadly campanulate.

campanulate-turbinate.

6–13;

corollas yellow.

5–10;

corollas yellow to slightly orange.

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

10–20, narrowly ovate to lanceolate.

8–14, ovate to broadly lanceolate.

1, or 3–5(–10).

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

dark gray, 5–10 mm, sparsely to densely hirsute (hairs duplex), sometimes stipitate-glandular as well;

pappi white, bristles barbellate.

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

pappi white, bristles usually barbellate, sometimes subplumose.

= 38, 57, 76, 95, 114.

= 38.