Flora of North America species comparison

1–10+, erect, glabrous.

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

basal and proximal cauline usually withering by flowering (other rosettes may be present), tapering to long, winged petioles, blades often recurved, linear- lanceolate or -oblanceolate, 100–240 × 8–16 mm, folded along midrib (V-shaped in cross section), bases usually with (2–)3–8 prominent lateral nerves, apices acute to obtuse, faces glabrous;

mid to distal cauline sessile, blades recurved, linear-lanceolate, 50–70 × 8–11 mm, reduced distally, folded, bases with prominent lateral nerves.

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.

2.8–4 mm, moderately short-hispido-strigose, lanceolate bracteoles 0–1.

1–5 mm, sparsely to moderately strigillose;

bracteoles 1–3, linear-lanceolate.

narrowly campanulate, 4.5–6 mm.

narrowly campanulate, 3–5 mm.

7–9;

laminae 4.5–5.5 × 0.4–0.5 mm.

10–15;

laminae 2–3 × 0.1–0.6 mm.

6–10;

corollas 4.5–5.2 mm, lobes 0.7–1.8 mm.

6–10;

corollas 3–4 mm, lobes 0.6–1.1 mm.

(14–18) in 3–4 series, unequal, obtuse, broad, striations weak, obtuse to rounded, 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.

30–450 in corymbiform to somewhat paniculiform with rounded corymbiform branches (robust plants) arrays, branches and peduncles strigillose.

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

1.5–2.2 mm, glabrous;

pappi 3.5–4 mm (apically clavate).

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

pappi 2.5–3 mm.

= 18.

= 18, 36, 54.