Flora of North America species comparison

mostly basal at flowering;

blades usually obovate to oblanceolate or spatulate (rarely ± orbiculate), 3–8(–10+) cm × 4–12(–25+) mm (including petioles), abaxial faces ± densely pilose, adaxial sparsely pilose to hirsute.

mostly cauline at flowering;

blades broadly elliptic or ovate to lanceolate, 6–12(–18+) cm × 30–80(–120+) mm (including petioles), both faces sparsely pilose to hirsute.

rounded-cordate, 8–15(–20+) × 7–15(–18+) mm.

rounded-deltate to lance-deltate, (5–)10–15(–25+) × (4–)6–12+ mm.

9–11+ mm, pilosulous, hairs 0.3–0.6(–0.9) mm.

8–10 mm, sparsely hispidulous to pilosulous, hairs 0.1–0.3 mm.

(3–)4–5 mm;

pappi 6–8 mm.

2.5–4 mm;

pappi 4–5 mm.

= 22.

= 22.