Flora of North America species comparison

usually simple, sometimes branched distally.

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

2–4(–6) pairs, cauline (basal leaves often persistent on sterile rosettes), petiolate (proximal, petioles relatively short, broadly winged) or sessile (mid and distal);

blades lance-elliptic to ovate, 2–10 × 1–6 cm, margins serrate to dentate, apices obtuse to acute, faces glabrous or sparsely villous.

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.

narrowly turbinate.

hemispheric or turbinate-hemispheric (bases moderately villous).

8–15;

corollas yellow.

6–17;

corollas yellow (laminae 12–17 mm).

20–90;

corollas yellow;

anthers yellow.

corollas yellow;

anthers dark purple.

8–20, lanceolate to oblanceolate.

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

1 or 3–5(–9).

1 (erect).

dark brown, 5–9 mm, sparsely villous;

pappi white, bristles barbellate.

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

pappi tawny, bristles subplumose.

= 38, 76.

= 38.