Flora of North America species comparison

(robust) 60–150 cm, coarsely hispid (10–70 hairs/mm2) (hairs stiff).

40–70(–90) cm, densely (less coarsely) hispid (30–70 hairs/mm2).

basal large, to 250 × 100 mm;

faces moderately to densely hispid (7–50 hairs/mm2);

mid to distal ovate, thick.

basal (often numerous), small, rarely exceeding 120 × 50 mm;

faces densely (less coarsely) hispid (20–60 hairs/mm2);

mid to distal lanceolate to ovate.

densely hispido-strigose.

densely hispido-strigose.

lobes deep, 1.1–1.6 mm.

lobes shallow, 0.9–1.2(–1.3) mm.

outer hairy;

inner oblong to slightly spatulate, 0.8–1.4 mm wide, glabrate to puberulent.

outer densely strigillose;

inner often more nearly linear, 0.7–1.2 mm wide, conspicuously strigillose.

usually in loose, open, spreading, flat-topped arrays, 3–20(–34) × (4.5–)6.5–18(–27) cm.

in tightly clumped, usually rounded arrays, 3–13(–23.5) × (3.5–)6–13(–18) cm.

glabrous.

usually strigillose distally.

= 18, 36.

= 18.