Flora of North America species comparison

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

simple or several from base, spreading, (unbranched, sparsely pubescent), to 1.5 dm.

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

blade obovate, 4–6 cm, margins entire.

blade narrowly elliptic or obovate, 1–3(–4) cm, margins entire or nearly so.

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

(sessile or shortly petiolate);

blade narrowly obovate or oblanceolate, 0.4–1.2 cm, margins entire.

somewhat loose, (5–15 cm).

loose, (few-flowered).

sepals oblong, 5–7 mm;

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

sepals linear, lanceolate, or elliptic, 3.5–6.5 mm, (median pair thickened apically, cucullate);

petals oblanceolate, 5.5–9(–10) mm.

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

(spreading, straight or slightly curved), 4–7 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.

globose or subglobose, not or slightly compressed, 3.5–4.3 mm;

valves densely pubescent, trichomes spreading, 3–6-rayed, (appearing shaggy);

ovules 4–8 per ovary;

style 4.5–7 mm.

flattened.

slightly flattened, (suborbicular).

= 8.