Flora of North America species comparison

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

few or several from base, prostrate to decumbent, (unbranched or branched), 0.5–1.5 dm.

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

blades orbicular to broadly obovate, 1.5–3 cm, margins usually entire, rarely remotely dentate.

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

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

(sessile or shortly petiolate);

blade elliptic to oblanceolate, 1–1.5(–2.5) cm, margins entire, (apex obtuse).

dense or slightly elongated.

dense, (elongated in fruit).

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 ovate or oblong-elliptic, 5–5.5 mm, (lateral pair not saccate);

petals cuneate or broadly obovate, ca. 7 mm, (sometimes slightly narrowed to a broad claw, apex sometimes retuse).

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

(sharply recurved), 5–10 mm, (stout).

(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.

subglobose to broadly obovoid, strongly inflated (often slightly angustiseptate), 5–7 mm, (papery);

valves sparsely pubescent; (septum fenestrate, perforate, or obsolete);

ovules 4–8 per ovary;

style 2–3 mm.

flattened.

somewhat flattened.

= 18, 36.