Flora of North America species comparison

(often relatively numerous, clustered in clonal patches) simple.

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

5–7 pairs, mostly cauline (basal leaves usually withered by flowering);

sessile or subsessile (proximalmost with connate-sheathing bases);

blades lanceolate to lance-elliptic, 5–12(–15) × 1.5–3.5 cm, margins usually entire, rarely denticulate, apices acute to acuminate, faces scabrid-puberulent, sometimes glandular (distal leaves not 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.

turbinate-campanulate.

narrowly turbinate.

6–15;

corollas yellow.

0.

6–11;

corollas yellow;

anthers yellow.

10–30;

corollas cream;

anthers yellow.

11–15(–20), narrow to broadly lanceolate.

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

3–20(–35).

10–20.

brown to black, 3–7 mm, glabrous or sparsely hirsutulous, stipitate-glandular;

pappi stramineous to tawny, bristles barbellate to subplumose.

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

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

= 57, 76.

= 38.