Flora of North America species comparison

mostly simple.

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

3–8 pairs, mostly crowded toward bases; petiolate (at least proximal);

blades elliptic to oblanceolate or obovate, 5–10 × 0.5–3.5 cm, margins entire, apices acute, faces densely hairy (hairs relatively short, curly) and sessile-glandular (distal leaves sessile, much reduced).

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.

campanulate to hemispheric.

narrowly turbinate.

5–12;

corollas yellow.

0.

(functionally staminate): corollas yellow;

anthers yellow (styles rarely exserted).

10–30;

corollas cream;

anthers yellow.

5–12 (in 1 series), oblong or elliptic.

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

1–6.

10–20.

brown to black, 4–10 mm, sparsely to densely hirsute (hairs usually simple, rarely duplex) and sparsely stipitate-glandular;

pappi 0.

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

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

= 38, 76.

= 38.