Flora of North America species comparison

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

simple or few from base, prostrate or straggling to erect, (sometimes purplish, usually unbranched), (0.5–)1–2(–3) dm.

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

blade oblanceolate, 1.5–5(–7) cm, margins entire or shallowly dentate, (flat).

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

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

blade elliptic to linear, (0.5–)1–2.5(–3) cm, margins usually entire.

dense or slightly elongated.

(secund), 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 elliptic or oblong, 4–6(–7) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals (often red or lavender when dried), obovate, 6–8.5(–9.5) mm, (narrowing to broad claw).

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

(usually sharply recurved, sometimes divaricate-spreading or nearly horizontal), 5–15(–20) 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, obovoid, or broadly ellipsoid, slightly inflated, (3.5–)4–5.5(–6.5) mm;

valves densely pubescent outside, trichomes spreading or closely appressed, rarely sparsely pubescent inside;

ovules (4–)8(–10) per ovary;

style (slender), 3–5.5(–6.5) mm.

flattened.

slightly flattened.

= 18, 36.