Flora of North America species comparison

usually simple, sometimes branched.

simple (sparsely to moderately hairy, hairs translucent with purple septa).

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).

2–5 pairs, mostly cauline;

petiolate (proximal) or sessile;

blades elliptic-oblanceolate, obovate or spatulate, (3–)5–12 × 1.5–3 cm, margins usually entire proximal to mid blade, serrate to dentate distally, apices acute to obtuse or abruptly pointed, faces usually glabrate, sometimes scabrous to sparsely stipitate-glandular.

broadly campanulate.

hemispheric or turbinate-hemispheric (bases moderately villous).

6–13;

corollas yellow.

6–17;

corollas yellow (laminae 12–17 mm).

corollas yellow;

anthers yellow.

corollas yellow;

anthers dark purple.

10–20, narrowly ovate to lanceolate.

14–24, lanceolate (apices obtuse, tips blunt, callous).

1, or 3–5(–10).

1 (erect).

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

pappi white, bristles barbellate.

brown, 4–5 mm, shortly hispidulous (hairs duplex, apically forked) and stipitate-glandular;

pappi tawny, bristles subplumose.

= 38, 57, 76, 95, 114.

= 38.