Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–20(–50+), stout, finely puberulent or scabrous-puberulent at least distally.

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 absent at flowering;

cauline sessile to short-petiolate;

blades usually lanceolate-elliptic or ovate, sometimes linear-lanceolate, 30–150 × 5–30 mm, thick and firm, margins entire or few toothed, somewhat to much reduced distally, abaxial faces sometimes resinous and shiny, glabrous or strigillose (hairs mostly 0.1–1.4 mm), adaxial glabrous or scabrous.

linear, 1–3 mm, bracteate.

mostly 2–15 mm, bracteolate, sparsely to densely short hispid-strigose.

narrowly campanulate, 3–5 mm.

campanulate, 4.5–7.5 mm.

0(–2).

(5–)7–9;

laminae 3–7 × 1–2 mm.

4–8;

corollas 3 mm, lobes 1 mm.

(8–)10–16;

corollas 4–5 mm, lobes ca. 1–2 mm.

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

in 3–4 series, unequal, linear-lanceolate, acute to attenuate, ± squarrose-tipped, glabrous or moderately strigose, sparsely to moderately stipitate-glandular, sometimes viscid.

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

10–190+ in paniculiform (rarely racemiform) arrays, usually elongate, usually leafy-bracteate, bracts similar to distal leaves but reduced;

branches stiffly ascending, not secund, sometimes elongate.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

3–4 mm, glabrous or glabrate;

pappi ca. 4 mm.

= 18.

= 18, 36, 54.