Flora of North America species comparison

simple from base, erect, (unbranched, sparsely leaved), to 7 dm.

simple or few from base, decumbent, (straggling and flexuous, usually branched distally), 4–8 dm.

blade elliptic or obovate to oblong, 4–15 cm, margins entire, dentate, or lyrate-pinnatifid.

blade narrowly elliptic to oblanceolate, 4–12 cm, margins entire, sinuate, or shallowly dentate, (apex acute).

(proximal often narrowed to short petiole, distal sessile);

blade broadly elliptic to obovate or rhombic, 0.5–3(–5) cm, margins entire.

(sessile or proximal shortly petiolate);

blade linear to narrowly elliptic, 3–4 cm, margins entire, sinuate, or remotely dentate, (apex acute).

dense or slightly elongated.

loose, (sometimes greatly elongated).

sepals elliptic to ovate, 3.5–6(–7) mm, (median pair usually thickened apically, cucullate);

petals (white, often purple-veined, fading purplish), suborbicular to obovate, obdeltate, or cuneate, 4.5–10(–12) mm, (often narrowed to broad claw, apex emarginate, less frequently claw undifferentiated from blade).

sepals elliptic, 3.5–4 mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals broadly obovate, 4–5 mm, (sometimes with short, broad claw).

(spreading or recurved, loosely sigmoid), 5–25 mm.

(recurved), 15–20(–25) mm.

(pendent or horizontal, sessile or substipitate), subglobose to broadly ellipsoid, not or slightly inflated, (4–)5–8 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules 4–8(–12) per ovary;

style 1–3(–4) mm.

(pendent), subglobose or broadly ovoid, slightly compressed, 5–7 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

ovules per ovary unknown;

style 1.5–2 mm.

flattened.

flattened.

= 18, 36.

= 16.