Flora of North America species comparison

solitary to densely clumped, simple or branched among heads.

branched (prominently ribbed, strongly stipitate-glandular; caudices woody).

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.

5–10 pairs (main stems, 2–6 pairs on branches; basal withered by flowering), cauline;

sessile;

blades obovate-oblong to ovate-oblong, (1–)2–4(–5) × 1–3 cm, margins ± entire, apices acute, faces sparsely to densely pilose, densely stipitate-glandular.

narrowly campanulate to turbinate.

narrowly turbinate.

(5–)7–17(–20);

corollas yellow.

0.

corollas yellow;

anthers yellow.

10–30;

corollas cream;

anthers yellow.

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

10–20, broadly lanceolate (stipitate-glandular).

(1–)3–10(–20).

10–20.

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

pappi tawny, bristles subplumose.

dark gray, 4.5–6.5 mm, stipitate-glandular;

pappi usually white, rarely tawny, bristles barbellate to subplumose.

= 38.