Flora of North America species comparison

simple from base, erect, (usually unbranched), to 4.5 dm.

simple or few from base, decumbent, (straggling and flexuous, usually branched distally), 4–8 dm.

blade suborbicular to elliptic, 2–9.5(–11.5) cm, margins entire, sinuate, coarsely dentate, or almost lyrate-pinnatifid.

blade narrowly elliptic to oblanceolate, 4–12 cm, margins entire, sinuate, or shallowly dentate, (apex acute).

similar to basal, blade narrowly linear or, sometimes, orbicular.

(sessile or proximal shortly petiolate);

blade linear to narrowly elliptic, 3–4 cm, margins entire, sinuate, or remotely dentate, (apex acute).

loose (lax).

loose, (sometimes greatly elongated).

sepals elliptic or ovate, (2–)3.5–7.5 mm, (cucullate);

petals 6–11 mm.

sepals elliptic, 3.5–4 mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals broadly obovate, 4–5 mm, (sometimes with short, broad claw).

(recurved, straight, curved, or sigmoid), 6–20 mm.

(recurved), 15–20(–25) mm.

obovoid to subglobose, not inflated (not angustiseptate), 3–6 mm;

valves sparsely pubescent, sometimes glabrous inside, trichomes sessile or stalked;

ovules 4(–8) per ovary;

style (1.6–)3–6 mm.

(pendent), subglobose or broadly ovoid, slightly compressed, 5–7 mm;

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

ovules per ovary unknown;

style 1.5–2 mm.

flattened.

flattened.

= 10, 30.

= 16.