Flora of North America species comparison

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

simple.

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.

1–3 pairs, mostly cauline (shorter plants often with leaves crowed mostly toward bases); petiolate;

blades elliptic, oblong, or ovate-lanceolate, 1.5–7.5 × 0.5–2 cm, margins usually entire, rarely denticulate or slightly undulate, apices usually obtuse, sometimes acute or acuminate, faces glabrous or hispidulous-puberulent, ± densely stipitate-glandular.

narrowly turbinate.

campanulate-turbinate.

0.

7–10;

corollas yellow.

10–30;

corollas cream;

anthers yellow.

corollas yellow;

anthers yellow.

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

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

10–20.

usually 1, sometimes 2–3 (nodding at flowering).

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

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

brown, 3–5 mm, abaxially glabrous, adaxially sparsely hirsute or glabrous throughout, usually stipitate-glandular toward apices, sometimes densely stipitate-glandular throughout;

pappi white, bristles barbellate.

= 38.

= 76, 95.