Flora of North America species comparison

unbranched or branched basally, branched distally, (1–)2–6(–8) dm.

petiole 1–4(–5) cm;

blade lanceolate to linear-lanceolate, (2–)3–7(–10) cm × 4–15(–20) mm, base cuneate to attenuate, margins pinnately lobed to coarsely dentate.

(proximalmost) petiole 1–4(–5) cm, (distalmost) shortly petiolate or subsessile;

blade linear to narrowly lanceolate, base cuneate, margins usually entire, rarely dentate, or repand.

sepals (2.5–)3–4 × 1–1.5 mm, pubescent abaxially;

petals white or lavender, 4–7(–8) × (2.5–)3–4(–5) mm, attenuate to claw, claw 1–1.5 mm, expanded basally;

filaments white, 2–3.5 mm;

anthers 0.7–1 mm.

divaricate to slightly reflexed, (6–)8–14(–22) mm.

each valve usually transversely ovoid-oblong, rarely suborbicular, 4–5.5(–6) × (4–)5–7(–7.5) mm (often longer than wide), base slightly rounded, apex truncate, with or without narrow wing beyond indurated part surrounding seeds, glabrous or pubescent;

style 0.5–1(–1.2) mm.

suborbicular-ovoid, 2–3 × 1.5–2 mm.

= 18.