Flora of North America species comparison

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

several from base, erect or outer decumbent, (unbranched), to 2 dm.

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

blade obovate, 4–6 cm, margins entire.

blade elliptic to lanceolate or obovate, 3–8 cm, margins entire.

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

(proximal shortly petiolate or sessile, distal sessile);

blade elliptic or obovate, to 2 cm, margins entire.

somewhat loose, (5–15 cm).

dense.

sepals oblong, 5–7 mm;

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

sepals narrowly elliptic or oblong, 4.5–5.3 mm, (tapering to the somewhat thickened, cucullate apex, lateral pair subsaccate);

petals (bright yellow), lingulate or broadly obovate, 7.5–8.5 mm, (narrowing to broad claw, joining in an arch, margins lacerate).

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

(divaricate-ascending to horizontal, straight to loosely curved), to 15 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.

(sessile or substipitate), suborbicular to broadly ovate or ellipsoid, slightly compressed, 6–8 mm;

valves pubescent;

ovules 12–22 per ovary;

style 2–3 mm.

flattened.

flattened.

= 8.

= 10.