Flora of North America species comparison

usually simple, sometimes branched.

solitary, 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).

3–5 pairs, crowded toward stem bases (some or all axils with dense tufts of brown wool); petiolate (petioles at least basal leaves, narrow or broadly winged);

blades (with 3 or 5 prominent, subparallel veins) usually narrowly oblanceolate to oblong, rarely oval or broadly spatulate, 4.5–20 × 0.5–2.5 cm, margins denticulate, apices obtuse, faces moderately uniformly hairy, stipitate-glandular.

broadly campanulate.

broadly hemispheric.

6–13;

corollas yellow.

8–16;

corollas yellow-orange.

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

10–20, narrowly ovate to lanceolate.

13–21, elliptic-oblong or narrowly to broadly lanceolate.

1, or 3–5(–10).

1(–3).

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

pappi white, bristles barbellate.

brown, 3.5–7 mm, densely hirsute, sometimes sparingly stipitate-glandular;

pappi usually white, sometimes tawny, bristles barbellate.

= 38, 57, 76, 95, 114.

= 38, 57.