Flora of North America species comparison

solitary to densely clumped, simple or branched among heads.

usually branched from mid heights or distally.

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.

4–10 pairs, mostly cauline (evenly distributed; basal leaves often withered by flowering, 1–2 pairs, subsessile to short-petiolate);

sessile (proximalmost with membranous connate-sheathing bases);

blades lance-elliptic, broadly oblanceolate, or oblong, 5–20 × 2–6(–8) cm, margins entire or remotely denticulate to prominently dentate, apices acute, faces nearly glabrous or puberulent to sparsely or densely white-tomentose-pilose.

narrowly campanulate to turbinate.

campanulate (rarely hemispheric).

(5–)7–17(–20);

corollas yellow.

8–20;

corollas yellow.

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

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

8–23, nearly linear to narrowly lanceolate (apices each with conspicuous tuft of white hairs).

(1–)3–10(–20).

(1–)3–10(–16).

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

pappi tawny, bristles subplumose.

gray to brown, 3–8 mm, subglabrous to sparsely hirsutulous, stipitate-glandular;

pappi stramineous, bristles barbellate to subplumose.

= 38, 57, 76.