Flora of North America species comparison

unbranched basally, often branched distally, 4–8(–11) dm, often eglandular, glabrous distally.

withered by flowering, long-petiolate.

short-petiolate;

blade narrowly oblong, lanceolate, or broadly ovate, (2–)4–15(–20) cm × (4–)8–40(–60) mm, base cuneate, margins denticulate or entire, apex acute or acuminate, surfaces pubescent.

sepals 5–8 × 1.5–2 mm;

petals (13–)15–20(–22) × 3.5–9 mm, claw 6–12 mm;

filaments 2.5–6 mm;

anthers 2.5–4 mm.

(5–)7–17(–25) mm.

(4–)6–10(–14) cm × 2–2.5 mm.

(2.5–)3–4 × 1–1.5 mm.

= 24.