Flora of North America species comparison

usually simple, sometimes branched.

usually simple, rarely branched.

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).

3–7 pairs, mostly cauline;

petiolate (petioles, at least proximal, relatively narrow, ± equaling blades);

blades narrowly to broadly lanceolate or ovate, 3.5–14 × 0.5–3.7 cm, margins regularly dentate or denticulate, apices acute, faces glabrous or moderately pilose, sparsely to densely stipitate-glandular.

broadly campanulate.

campanulate-turbinate.

6–13;

corollas yellow.

6–17;

corollas yellow.

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

10–20, narrowly ovate to lanceolate.

6–14, lanceolate (apices acute).

1, or 3–5(–10).

3–8 (erect).

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

pappi white, bristles barbellate.

gray to brown, 3–6 mm, densely hirsute, sometimes stipitate-glandular;

pappi white, bristles barbellate.

= 38, 57, 76, 95, 114.

= 38, 57, 76.