Flora of North America species comparison

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

several from base, (slender), erect or outer decumbent, (usually branched, branches filiform, bud clusters of growing plants drooping), to 2.5 dm.

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

blade orbicular to broadly spatulate, 1–2.4 cm, margins entire or sinuate.

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

(proximal often petiolate, distal sessile);

similar to basal, blade spatulate to oblanceolate or (distal) linear, (base cuneate), margins entire or sinuate.

loose (lax).

loose.

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

petals 6–11 mm.

sepals oblong or elliptic, 2.5–4.6 mm, (median pair slightly thickened apically);

petals (pale yellow), spatulate to obovate, 5–9 mm, (apex ± emarginate).

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

(usually divaricate-ascending, straight or slightly curved), 7–11 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.

(sessile or shortly stipitate), globose, not inflated, 3–4 mm;

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

replum as wide as or wider than fruit;

ovules 4 per ovary;

style 3–5 mm.

flattened.

flattened.

= 10, 30.

= 14.