Flora of North America species comparison

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

simple or few from base, prostrate to decumbent (arising laterally from a tuft of leaves, unbranched), 0.5–1.5 dm.

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

blade suborbicular, deltate to rhombic, or elliptic, margins entire or sparsely dentate, 2–4(–6) cm.

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

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

(shortly petiolate);

blade oblanceolate to linear, 1–2(–3) cm, margins entire.

dense or slightly elongated.

loose, (sometimes 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 lanceolate, 3.5–6(–8) mm;

petals obovate to oblanceolate, (5–)7–8.5(–10) mm.

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

(sigmoid), 5–10 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.

obcordate to truncate or obcompressed, slightly compressed (angustiseptate, inflated at lobe tips), 3–6mm (wider than long);

valves densely pubescent, trichomes appressed or slightly spreading; (septum usually fenestrate);

ovules 4–8 per ovary;

style (slender), 3–6.5 mm, (often pubescent).

flattened.

flattened.

= 18, 36.

= 10.