Flora of North America species comparison

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

simple or few to several from base, usually erect to spreading, sometimes prostrate, 0.5–2 dm.

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

blade oblanceolate, 2–3 cm, margins entire.

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

(sessile or proximal shortly petiolate);

blade narrowly oblanceolate, 0.5–1.5 cm, margins entire.

loose (lax).

loose.

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

petals 6–11 mm.

sepals ovate to elliptic, (3–)4–5(–6) mm, (median pair often thickened apically, cucullate);

petals obovate, (6–)7–10 mm (nearly as wide, abruptly narrowed to claw, ca. 1 mm wide).

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

(erect to divaricate or ascending, sometimes curved), (5–)10–20(–40) mm, (stout).

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.

subglobose to ellipsoid, compressed (usually angustiseptate), to 8 mm; (valves not retaining seeds after dehiscence);

replum as wide as or wider than fruit;

ovules 10–14 per ovary;

style 1–2 mm.

flattened.

plump.

= 10, 30.

= 20.