Flora of North America species comparison

solitary to densely clumped, simple or branched among heads.

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

4–8(–10) pairs, mostly cauline; usually sessile (sometimes with partly connate-sheathing bases), sometimes petiolate (proximalmost);

blades lance-elliptic, lanceolate, oblanceolate, obovate, or ovate, 4–12(–20) × (1–)2–6(–8) cm, margins subentire to dentate-serrate, apices usually acute, rarely obtuse, faces glabrate to pilose.

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 campanulate to turbinate.

hemispheric or turbinate-hemispheric (bases moderately villous).

(5–)7–17(–20);

corollas yellow.

6–17;

corollas yellow (laminae 12–17 mm).

corollas yellow;

anthers yellow.

corollas yellow;

anthers dark purple.

8–15(–19), narrowly to broadly lanceolate.

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

(1–)3–10(–20).

1 (erect).

brown, 4–8 mm, sparsely hirsutulous, stipitate-glandular;

pappi tawny, bristles subplumose.

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

pappi tawny, bristles subplumose.

= 38.