Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–10+, essentially glabrous.

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 tapering to short petioles, blades oblanceolate, 50–70 × 10–20 mm, margins serrate, scabroso-strigose, apices acute to acuminate, faces glabrous;

mid and distal cauline subpetiolate or sessile, blades elliptic-lanceolate, 30–70 × 7–15 mm, gradually reduced distally, tapering to bases, margins serrate, scabroso-strigose;

branch leaves similar, reduced to bracts distally.

linear, 1–3 mm, bracteate.

2–5 mm, bracteolate, glabrous;

bracteoles grading into phyllaries.

narrowly campanulate, 3–5 mm.

narrowly campanulate, 3–5 mm.

0(–2).

1–4;

laminae 1–2 × 0.5–0.8 mm.

4–8;

corollas 3 mm, lobes 1 mm.

4–6;

corollas 2.5 mm, lobes 1 mm.

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

in 3–4 series, linear-lanceolate, strongly unequal, acute to ± attenuate, glabrous.

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

160–480 in paniculiform arrays, with a strongly secund, primary, arching axis and nearly always 4–5(–8) leafy, elongate, arching, secund, proximal branches.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1.5–2 mm (6–9 ribs), sparsely strigose, more so apically;

pappi 1.5–2 mm.

= 18.

= 18.