Flora of North America species comparison

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

1, ascending-erect, softly short villous.

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.

basal and proximal cauline winged-petiolate petioles (petioles 1/2+ leaf length), blades broadly ovate (or subcordate) to elliptic, 50–100(–160) × 30–40 mm, margins shallowly serrate-crenate, apices acute to obtuse, soft short-villous;

mid and distal cauline subpetiolate or sessile, blades ovate to elliptic, 20–40 × 5–15 mm, greatly reduced, becoming narrowly elliptic.

1–5 mm, sparsely to moderately strigillose;

bracteoles 1–3, linear-lanceolate.

slender.

narrowly campanulate, 3–5 mm.

campanulate, 4–5 mm.

10–15;

laminae 2–3 × 0.1–0.6 mm.

usually 7–12;

laminae 3–6 × 1.5–2 mm.

6–10;

corollas 3–4 mm, lobes 0.6–1.1 mm.

usually 14–27;

corolla tubes 4 mm, lobes 0.8–1 mm.

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

in 3–4 series, broadly lanceolate, unequal, glabrate or sparsely short-strigose.

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

50–100, in paniculiform arrays, proximal branches obscurely to evidently recurved-secund.

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

pappi 2.5–3 mm.

1.5–2.5, sparsely strigose;

pappi ± 3 mm (shorter than corollas).

= 18, 36, 54.

= 18.