Flora of North America species comparison

usually simple, sometimes branched distally.

(1 or relatively few) simple or branched.

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.

3–6 pairs, crowded toward stem bases (axils lacking tufts of brown wool); petiolate (petioles, at least basal, narrowly winged);

blades (with 3 or 5, prominent, subparallel veins) oblanceolate to narrowly oblong, 3.5–14.5 × 0.6–2.4 cm, margins usually entire, rarely denticulate, apices obtuse, faces uniformly hairy, stipitate-glandular.

narrowly turbinate.

hemispheric.

8–15;

corollas yellow.

9–17;

corollas yellow-orange.

20–90;

corollas yellow;

anthers yellow.

corollas yellow;

anthers yellow.

8–20, lanceolate to oblanceolate.

13–20, usually narrowly, sometimes broadly, lanceolate.

1 or 3–5(–9).

1–5.

dark brown, 5–9 mm, sparsely villous;

pappi white, bristles barbellate.

brown, 3.5–5 mm, densely hirsute, sometimes sparingly glandular as well;

pappi white, bristles barbellate.

= 38, 76.

= 38.