Flora of North America species comparison

usually simple, sometimes branched.

(1–3 together) usually simple, rarely branched (moderately to densely 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–)3–5(–6) pairs, usually crowded toward stem bases; petiolate or sessile (petioles short-winged);

blades elliptic, lanceolate, or broadly oblanceolate, 3–10 × 1–2.5 cm, margins usually entire proximal to mid blade, subentire to denticulate distally, apices acute to obtuse, faces: abaxial paler and often glabrous, adaxial slightly hairy.

broadly campanulate.

turbinate-campanulate (bases moderately villous, hairs brownish).

6–13;

corollas yellow.

8–13;

corollas yellow (laminae 14–20 mm).

corollas yellow;

anthers yellow.

corollas yellow;

anthers dark purple.

10–20, narrowly ovate to lanceolate.

11–15, lanceolate to elliptic (apices obtuse, tips blunt, callous).

1, or 3–5(–10).

1 (nodding).

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

pappi white, bristles barbellate.

brown, 5–6 mm, sparsely strigose (hairs simple, apically pointed) or glabrous;

pappi tawny, bristles barbellate.

= 38, 57, 76, 95, 114.

= 38, 57, 76.