Flora of North America species comparison

1–10+, erect, glabrous.

1–5, sparsely to moderately strigoso-puberulent.

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 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.

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

linear, 1–3 mm, bracteate.

narrowly campanulate, 4.5–6 mm.

narrowly campanulate, 3–5 mm.

7–9;

laminae 4.5–5.5 × 0.4–0.5 mm.

0(–2).

6–10;

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

4–8;

corollas 3 mm, lobes 1 mm.

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

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

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

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

1.5–2.2 mm, glabrous;

pappi 3.5–4 mm (apically clavate).

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

= 18.

= 18.