Flora of North America species comparison

usually several, rarely simple from base, usually unbranched, rarely branched, 0.5–2.4(–3) dm, trichomes simple, to 1.3 mm, mixed with smaller, dendritic ones.

petiole 1–4 cm, often ciliate, trichomes simple;

blade broadly ovate to oblong in outline, (terminal segments oblong to or ovate), 1–2.2 cm × 8–15 mm, (terminal segments 0.4–1 cm × 1.5–3 mm), margins pinnatifid, apex obtuse.

shortly petiolate or sessile;

blade similar to basal, smaller distally.

considerably elongated in fruit.

sepals 1.2–2.2 mm;

petals purple, lavender, or white, suborbicular to obovate, 2.5–4.5 × 1–2.5 mm, narrowed to claw, 1–2 mm, apex rounded;

anthers ovate, 0.3–0.5 mm.

ascending to divaricate-ascending, (often forming less than 40˚ angle), proximalmost bracteate, 5–15(–20) mm, pubescent, trichomes simple (to 1.4 mm), mixed with smaller, dendritic ones.

ascending, pyriform, subterete, 5–9 × 2.5–4 mm, base cuneate, apex rounded;

valves each with prominent midvein;

ovules 4 per ovary;

style 0.4–1.2 mm.

(oblong-lanceolate) 2.5–3.2 × 1–1.5 mm.

= 12.