Flora of North America species comparison

1–10+, erect, glabrous.

1–10+, ascending to erect, scabroso-puberulent at least in distal 1/2.

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 withering by flowering;

mid and distal cauline numerous;

subsessile or obscurely petiolate;

blades narrowly elliptic to lanceolate, 7–10 × 10–15 mm, firm, attenuate, margins distally serrate, eciliate, 3-nerved, apices acuminate or sharply acute, faces glabrous.

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

0.5–3 mm, sparsely strigose;

bracteoles linear, minute.

narrowly campanulate, 4.5–6 mm.

narrowly campanulate, 4–5 mm.

7–9;

laminae 4.5–5.5 × 0.4–0.5 mm.

5–8;

laminae 2–3 × 0.75 mm.

6–10;

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

5–9;

corollas 3–3.5 mm, lobes 0.5 mm.

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

in 3–4 series, lanceolate to linear lanceolate, unequal, apices obtuse, innermost acute.

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

50–150, in paniculiform arrays, branches recurved, secund.

1.5–2.2 mm, glabrous;

pappi 3.5–4 mm (apically clavate).

ca. 2 mm, moderately short-strigose;

pappi 2–3 mm.

= 18.

= 36.