Flora of North America species comparison

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

several from base, erect, (arising among leaves of an elongated main axis), to 5 dm (± equal).

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

blade obovate, 4–6 cm, margins entire.

(shortly petiolate);

blade obovate to oblanceolate, (1.5–)2.5–5(–6) cm, margins entire, sinuate to shallowly toothed, or pinnatifid.

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

(sessile or shortly petiolate);

blade oblanceolate to oblong, 1.3–3(–4) cm, (base cuneate), margins entire or repand to dentate.

somewhat loose, (5–15 cm).

dense.

sepals oblong, 5–7 mm;

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

sepals elliptic or obovate, 2.6–4.1 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate, 3.5–6.5(–7.5) mm, (margins sinuate).

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

(usually spreading horizontally, straight), 7–14(–21) 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);

globose, often slightly compressed apically, (1–)2–3 mm;

valves sparsely pubescent, sometimes pubescent inside, trichomes spreading, 3–5-rayed;

ovules 4 per ovary;

style 2–3.5(–4) mm.

flattened.

flattened or plump, (often outer surface hemispherical, inner surface flattened, or both surfaces rounded).

= 8.

= 14.