Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–10+, erect, proximally glabrous, increasingly puberulent distally into 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 0;

mid and distal cauline numerous (sometime 100+ per stem), crowded, sessile or subsessile;

blades linear-elliptic, mostly 50–120 × 6–12 mm, tapering at both ends, margins remotely serrulate or subentire, 3-nerved, faces glabrous or sometimes puberulent abaxially on midnerves.

linear, 1–3 mm, bracteate.

1–3 mm, sparsely strigose;

bracteoles linear, 1–3.

narrowly campanulate, 3–5 mm.

narrowly campanulate, 2–3 mm.

0(–2).

mostly 7–11, 1–2 × 0.1–0.2 mm.

4–8;

corollas 3 mm, lobes 1 mm.

2–7;

corollas 2–3 mm, lobes 0.4–0.6 mm.

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

in 3–4 series, linear-lanceolate, strongly unequal, midribs raised, enlarged apically, apices acute to usually obtuse or rounded, apically ciliate.

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

80–900+, in paniculiform arrays, branches recurved, secund.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(narrowly obconic) 1–1.5 mm, sparsely strigillose;

pappi 2–2.5 mm.

= 18.

= 18, 36.