Flora of North America species comparison

several from base, decumbent, (arising laterally, unbranched), 1–3 dm.

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

(numerous); (petiole slender, rarely with a few broad teeth);

blade obovate, 3–7 cm, margins entire.

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

blade oblanceolate, 1.5–3 cm, margins entire.

(proximal shortly petiolate, distal sessile);

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

loose.

usually dense, (several-flowered).

sepals oblong, 5–7 mm;

petals (yellow to purplish), spatulate, 8–12 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).

(ascending or spreading, slightly curved or sigmoid), 1–2 cm.

(strongly recurved), to 20 mm.

obcordate, angustiseptate, somewhat inflated, (not bladdery), 5–7 × 6–9 mm, (papery, basal sinus absent, apical sinus broad and open);

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

replum ovate, 5–7 mm, as wide as or wider than fruit, apex acute or obtuse;

ovules 4–6 per ovary;

style 5–7 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.

= 14.