Flora of North America species comparison

usually simple, sometimes branched distally.

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

2–4(–6) pairs, cauline (basal leaves often persistent on sterile rosettes), petiolate (proximal, petioles relatively short, broadly winged) or sessile (mid and distal);

blades lance-elliptic to ovate, 2–10 × 1–6 cm, margins serrate to dentate, apices obtuse to acute, faces glabrous or sparsely villous.

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).

narrowly turbinate.

turbinate-campanulate.

8–15;

corollas yellow.

6–15;

corollas yellow.

20–90;

corollas yellow;

anthers yellow.

6–11;

corollas yellow;

anthers yellow.

8–20, lanceolate to oblanceolate.

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

1 or 3–5(–9).

3–20(–35).

dark brown, 5–9 mm, sparsely villous;

pappi white, bristles barbellate.

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

pappi stramineous to tawny, bristles barbellate to subplumose.

= 38, 76.

= 57, 76.