Flora of North America species comparison

3–8(–10) dm, striate.

(proximal) petiole (0.5–)1–4 cm, (narrowly to broadly winged), distal sessile;

blade lanceolate, ovate, elliptic, or oblong, (3–)4–12(–15) cm × (12–)20–55(–70) mm, base cuneate to attenuate, or (distalmost) minutely to coarsely auriculate, margins usually minutely to coarsely, regularly or irregularly, dentate or serrate, rarely subentire, apex acute to acuminate, surfaces glabrous or pubescent.

sepals 3–6 × 1–1.5 mm, glabrous or subapically pilose;

petals 7–12(–14) × 1.5–2.5(–3) mm, attenuate to claw (claw 4–7 mm);

filaments 3–6 mm;

anthers 2–2.5 mm;

gynophore obsolete or to 1 mm.

straight or slightly curved upward, (2–)3–8(–9) mm (nearly as thick as fruit).

usually divaricate to ascending, rarely erect, (1.5–)2–3.5(–4) cm × 1–1.5 mm;

style (1–)2–4 mm.

1.2–1.5 × 0.7–1 mm.