Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–10+, erect, scabroso-puberulent proximal to arrays distally, in strips proximal to leaves.

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 0;

mid and distal cauline sometimes numerous (75+), somewhat crowded, sessile, blades (dark green) linear-lanceolate to lanceolate, 25–150 × 2–15 mm, margins serrate to entire, scabroso-ciliate, 3-nerved, faces glabrous or with short hairs in lines along nerves.

linear, 1–3 mm, bracteate.

1–5 mm, sparsely to moderately strigillose;

bracteoles 1–3, linear-lanceolate.

narrowly campanulate, 3–5 mm.

narrowly campanulate, 3–5 mm.

0(–2).

10–15;

laminae 2–3 × 0.1–0.6 mm.

4–8;

corollas 3 mm, lobes 1 mm.

6–10;

corollas 3–4 mm, lobes 0.6–1.1 mm.

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

in 3–4 series, strongly unequal (greenish), outer lanceolate, inner oblong-lanceolate, margins ciliate-fimbriate apically, midnerves swollen apically, apices obtuse to rounded, 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.

50–350, in secund, usually elongate, pyramidal paniculiform arrays, branches recurved and secund.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(narrowly obconic) 1.1–1.5 mm (ribbed), sparsely strigillose;

pappi 2.5–3 mm.

= 18.

= 18, 36, 54.