Flora of North America species comparison

simple from base, decumbent, (occasionally few-branched), 0.5–1.5(–2) dm.

simple or few to several from base, erect, (sometimes branched), to 4 dm.

blade elliptic to broadly obovate, triangular, rhombic, or round, 1.5–3(–4) cm, margins often sinuate or shallowly lobed.

blade elliptic to rhombic, 3–8 cm, (base narrowing gradually to petiole), margins entire, repand, coarsely toothed, or pinnatifid.

(sessile or shortly petiolate);

blade elliptic to oblanceolate to obovate, 0.5–1.5 cm, (base narrowed to petiole), margins entire.

(proximal often shortly petiolate, distal sessile);

blade linear or narrowly obovate, 1.5–6(–10) cm, margins entire, repand, or shallowly toothed.

compact to loose.

usually loose.

sepals oblong to broadly elliptic, 4–7.5 mm, (lateral pair saccate or not);

petals spatulate, 7.5–10 mm.

sepals elliptic or ovate, 4–6 mm, (lateral pair usually subsaccate);

petals obovate to obdeltate, 6–10 mm, (apex often emarginate).

(ascending or divaricate-spreading, straight to loosely sigmoid or curved), 4–10 mm.

(usually divaricate, sometimes horizontal, straight or slightly curved), 8–20 mm.

(sessile or substipitate), elliptic, suborbicular, or oblong, strongly compressed (angustiseptate), 5–9 mm, (rounded to sharply keeled on 1 side, edges ± keeled);

valves: (margins covering replum edges or not), usually pubescent throughout or, rarely, glabrous inside;

ovules (4–)8–14(–16) per ovary;

style 2–4.5(–5) mm.

not didymous, ± globose, slightly inflated, 4–6 mm;

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

replum as wide as or wider than fruit;

ovules 4 per ovary;

style 2–3.5 mm; (stigma expanded).

slightly flattened.

flattened, (margined).

= 10.