Flora of North America species comparison

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

erect to ascending, often paniculately branched distally, (1.2–)3–7.5(–12) dm, trichomes sessile or subsessile.

absent on older plants.

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.

petiolate or (distal) sessile;

petiole 0.5–1 cm;

blade oblanceolate, lanceolate to oblong, or elliptic, (1–)2–5.5(–7) cm × (4–)7–20(–30) mm (smaller distally), base cuneate, margins sinuately lobed or dentate, surfaces with minutely stalked to subsessile trichomes.

slightly to considerably elongated in fruit.

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.

sepals slightly spreading, 1.2–2 × 0.4–0.7 mm;

petals (slightly spreading), spatulate, (slender), 1.8–2.5 × 0.7–1 mm, claw distinctly differentiated from blade, 0.5–1 mm;

filaments spreading, 2.2–3 mm, longer than petals;

anthers 0.3–0.5 mm.

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

usually divaricate, rarely slightly descending, (2–)3–6(–9) 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.

divaricate or slightly descending, straight, subtorulose, linear, terete, 0.6–1.4(–1.7) cm × 0.5–0.8 mm;

ovules 16–24 per ovary;

style 0.7–1(–1.5) mm.

uniseriate, 0.9–1.2 × 0.5–0.6 mm.

uniseriate, 0.8–1 × 0.4–0.6 mm.