Flora of North America species comparison

erect to ascending, often paniculately branched distally, 1.5–7.5 dm, trichomes sessile or subsessile.

absent on older plants.

petiolate or (distal) sessile;

petiole 0.3–2 cm;

blade oblanceolate or lanceolate to obovate, (1.5–)3–8(–11.5) cm × (7–)15–35(–46) mm (smaller distally), base cuneate, margins coarsely dentate to shallowly sinuate, surfaces with stalked to subsessile trichomes.

slightly to considerably elongated in fruit.

sepals slightly spreading, 2–4 × 0.8–1.5 mm;

petals (slightly spreading), spatulate or oblanceolate, (3.5–)4.5–6 × 1–1.5 mm, claw obscurely differentiated from blade, to 1.5 mm;

filaments spreading, 3.5–6 mm, equal to or longer than petals;

anthers 0.7–1 mm.

divaricate or slightly ascending, (3–)4–9(–12) mm.

divaricate or slightly ascending, curved or straight, torulose, linear, terete, (1–)1.5–2.6 cm × 0.6–0.9 mm;

ovules 28–38 per ovary;

style (1–)1.5–2.2 mm.

uniseriate, 0.9–1.2 × 0.5–0.6 mm.