Flora of North America species comparison

simple from base, spreading or erect, (unbranched), ca. 1 dm.

simple or few from base, ascending to erect, (0.5–)1–2(–3.5) dm.

(petiole long, slender);

blade elliptic to obovate, 3–4 cm, (base narrowing to petiole), margins entire.

(petiole tapering to blade);

blade rhombic to elliptic and irregularly angular, sometimes spatulate to oblanceolate, 1.5–7.5(–10) cm, margins entire.

(shortly petiolate);

blade elliptic to obovate, 1–2 cm, margins entire.

(not or loosely overlapping, petiolate or distal sessile);

blade spatulate to oblanceolate, 1–4 cm, margins entire.

dense.

crowded, elongated.

sepals narrowly elliptic or oblong, ca. 4.5 mm, (median pair thickened apically, cucullate);

petals narrowly spatulate, 7–8 mm.

sepals ovate, oblong, or elliptic 4–7.5 mm, (median pair thickened apically, cucullate);

petals spatulate or broadly cuneate, 6–13 mm, (claw slightly expanded at base).

(sigmoid), 5–8 mm.

(ascending, curved or sigmoid), 6–12(–20) mm.

(erect, substipitate), globose, ellipsoid, or obovoid, not or slightly compressed, 3–4 mm;

valves sparsely pubescent, sometimes few trichomes inside;

ovules 10–12 per ovary;

style 3–5 mm.

(substipitate), globose or obovoid to ellipsoid, sometimes slightly obcompressed, 4–9 mm;

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

replum as wide as or wider than fruit;

ovules 4–24 per ovary;

style (2–)4–7 mm.

flattened.

flattened.

= 10.