Flora of North America species comparison

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

simple or several from base, spreading, (unbranched, sparsely pubescent), to 1.5 dm.

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

blade narrowly elliptic or obovate, 1–3(–4) cm, margins entire or nearly so.

(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 narrowly obovate or oblanceolate, 0.4–1.2 cm, margins entire.

dense or slightly elongated.

loose, (few-flowered).

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 linear, lanceolate, or elliptic, 3.5–6.5 mm, (median pair thickened apically, cucullate);

petals oblanceolate, 5.5–9(–10) mm.

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

(spreading, straight or slightly curved), 4–7 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.

globose or subglobose, not or slightly compressed, 3.5–4.3 mm;

valves densely pubescent, trichomes spreading, 3–6-rayed, (appearing shaggy);

ovules 4–8 per ovary;

style 4.5–7 mm.

flattened.

slightly flattened, (suborbicular).

= 18, 36.