Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1, ascending-erect, softly short villous.

basal petioles 3–5 cm, blades oblanceolate or spatulate to ovate or rotund, 2–4 cm (excluding petioles);

cauline (numerous) subsessile or sessile, blades elliptic or lance-elliptic to ovate, mid mostly 25–50(–65) × 10–25 mm, distal much reduced;

branch leaf petioles 1 mm, blades ovate, 5–15 (excluding petioles) × 2–10 mm.

basal and proximal cauline winged-petiolate petioles (petioles 1/2+ leaf length), blades broadly ovate (or subcordate) to elliptic, 50–100(–160) × 30–40 mm, margins shallowly serrate-crenate, apices acute to obtuse, soft short-villous;

mid and distal cauline subpetiolate or sessile, blades ovate to elliptic, 20–40 × 5–15 mm, greatly reduced, becoming narrowly elliptic.

linear, 1–3 mm, bracteate.

slender.

narrowly campanulate, 3–5 mm.

campanulate, 4–5 mm.

0(–2).

usually 7–12;

laminae 3–6 × 1.5–2 mm.

4–8;

corollas 3 mm, lobes 1 mm.

usually 14–27;

corolla tubes 4 mm, lobes 0.8–1 mm.

in 3–4 series, lanceolate, strongly unequal, margins ciliate, apices acute, glabrous.

in 3–4 series, broadly lanceolate, unequal, glabrate or sparsely short-strigose.

75–200 in open paniculiform arrays, branches divaricate, ascending to recurved, weakly to strongly secund, to 50 cm, secondary branches less than 3 cm.

50–100, in paniculiform arrays, proximal branches obscurely to evidently recurved-secund.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1.5–2.5, sparsely strigose;

pappi ± 3 mm (shorter than corollas).

= 18.

= 18.