Flora of North America species comparison

several from base, erect or somewhat decumbent, (unbranched), 1–3.5 dm.

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

(petiole slender, usually incised or with broad teeth along petiole);

blade obovate, 4–6 cm, 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.

blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute).

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

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

somewhat loose, (5–15 cm).

crowded, elongated.

sepals oblong, 5–7 mm;

petals (lemon yellow), spatulate, 9–12 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).

(spreading or ascending, curved, fruits not pendent), 10–20 mm.

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

didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading;

replum broadly lanceolate, as wide as or wider than fruit, apex acute;

ovules 8 per ovary;

style 1–2 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.

= 8.

= 10.