Flora of North America species comparison

several from base, erect or decumbent (arising laterally, unbranched), 0.5–1.5 mm.

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

(petiole slender);

blade obovate to orbicular, 3–6 cm (width 10–20 mm), margins entire or dentate.

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

blade spatulate, 1–2 cm (width 3–6 mm), margins entire, (apex often acute).

(proximal often shortly petiolate, distal sessile);

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

congested.

usually loose.

sepals narrowly lanceolate, 5–8(–9) mm;

petals narrowly oblanceolate, 9–12 mm, (claw undifferentiated from blade).

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

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

(divaricate, slightly sigmoid), 8–15 mm.

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

(often purplish in age), didymous, subreniform, strongly inflated, 9–18 × 11–21(–30) mm, (papery, base obtuse to slightly cordate, apical sinus V-shaped or convex, open crests rounded);

valves (2-keeled on side away from replum, each 3-sided, keels rounded, sides flat or slightly convex, retaining seeds after dehiscence), evenly and densely pubescent;

replum oblong, as wide as or wider than fruits, apex obtuse;

ovules 4–12 per ovary;

style (4–)6–8 mm (exceeding sinus).

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).

flattened.

flattened, (margined).

= 8, 10, 16, 24.

= 10.