Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–10(–30+), decumbent to erect, slender, tufted, proximally glabrous or sparsely hairy, densely short-hispido-strigose in arrays.

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 petiolate;

petioles winged, margins ciliate;

blades linear-oblanceolate to spatulate, 10–170 × 3–30 mm, serrate to crenate near apices;

distal cauline sessile;

blades sometimes subclasping stems, ovate to linear-lanceolate, 16–20 × 7–11 mm, margins often distinctly ciliate.

linear, 1–3 mm, bracteate.

5–6 mm, villous;

bracteoles 0–2, linear-lanceolate to lanceolate.

narrowly campanulate, 3–5 mm.

4–8 mm.

0(–2).

12–18;

laminae 3–4 × 0.5–1 mm.

4–8;

corollas 3 mm, lobes 1 mm.

10–35;

corollas 3–5 mm, lobes 0.3–1 mm.

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

unequal to subequal, outer linear-lanceolate to lanceolate, lengths ± 2/3 inner, margins ciliate, apices acute to attenuate.

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

4–75(–100+), not secund, in dense, round-topped corymbiform arrays;

branches white villous.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1.5–4 mm, sparsely to moderately strigose;

pappi 3–4 mm (inner bristles clavate).

= 18.

= 18, 36.