Flora of North America species comparison

usually simple, sometimes branched.

(1 or relatively few) simple or 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).

3–6 pairs, crowded toward stem bases (axils lacking tufts of brown wool); petiolate (petioles, at least basal, narrowly winged);

blades (with 3 or 5, prominent, subparallel veins) oblanceolate to narrowly oblong, 3.5–14.5 × 0.6–2.4 cm, margins usually entire, rarely denticulate, apices obtuse, faces uniformly hairy, stipitate-glandular.

broadly campanulate.

hemispheric.

6–13;

corollas yellow.

9–17;

corollas yellow-orange.

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

10–20, narrowly ovate to lanceolate.

13–20, usually narrowly, sometimes broadly, lanceolate.

1, or 3–5(–10).

1–5.

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

pappi white, bristles barbellate.

brown, 3.5–5 mm, densely hirsute, sometimes sparingly glandular as well;

pappi white, bristles barbellate.

= 38, 57, 76, 95, 114.

= 38.