Flora of North America species comparison

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

several from base, erect or outer ones decumbent or procumbent, (sometimes much-branched distally), to 6 dm.

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

blade obovate, 4–6 cm, margins entire.

blade obovate or rhombic, to ca. 2.5 cm, margins usually shallowly dentate, sometimes lyrate-pinnatifid.

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

(proximal shortly petiolate, distal sessile);

blade obovate to rhombic or oblanceolate, 2–4(–6) cm, margins entire or shallowly and remotely dentate.

somewhat loose, (5–15 cm).

usually dense, (several-flowered).

sepals oblong, 5–7 mm;

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

sepals ovate or oblong (tapering at base), 3.6–4.8(–5.3) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals obovate to spatulate, 4.5–7.5 mm, (blade narrowed to broad claw, margins sinuate).

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

(strongly recurved), to 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.

(± pendent), ovoid, obcompressed, or globose, compressed, 4–6(–8) mm;

valves (not retaining seeds after dehiscence), sparsely pubescent or glabrous, sparsely pubescent inside;

replum as wide as or wider than fruit;

ovules usually 4, rarely 6, per ovary;

style 2.5–3.6 mm.

flattened.

flattened.

= 8.

= 14.