Flora of North America species comparison

several from base, erect to decumbent or prostrate, (unbranched or branched, sometimes densely leaved), 1–3.5(–4.5) dm.

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

blade obovate to broadly oblong, 1.5–5(–8) cm, margins lyrate-pinnatifid, dentate, or entire.

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

(proximal sometimes petiolate, distal sessile);

blade linear to oblanceolate, often falcate, 1–4(–7) cm, (proximal with base sometimes cuneate), margins entire, repand, or shallowly dentate.

(proximal shortly petiolate, distal sessile);

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

dense.

usually dense, (several-flowered).

sepals elliptic or oblong, 3–6.5 mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals (widely spreading at anthesis, yellow to orange, claw sometimes whitish), cuneate, obdeltate, or obovate, (tapering to claw), 5–8(–10) mm, (claw often widened at base).

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-ascending, sigmoid or, sometimes, nearly straight), 5–15(–25) mm.

(strongly recurved), to 20 mm.

(shortly stipitate), subglobose, not or slightly compressed, (3–)4–8 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules (8–)12–20(–26) per ovary;

style (1.5–)2–4(–5) 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.

= 12, 32.

= 14.