Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

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

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

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

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

(proximal shortly petiolate, distal sessile);

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

subcorymbose.

usually dense, (several-flowered).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 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).

(divaricate, straight), 5–10 mm.

(strongly recurved), to 20 mm.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 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, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.

= 14.