Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

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

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

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

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

(proximal often shortly petiolate, distal sessile);

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

subcorymbose.

usually loose.

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

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

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

(divaricate, straight), 5–10 mm.

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

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 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).

flattened, (2–3 mm).

flattened, (margined).

= 48–52, 52, 64, 67–70.

= 10.