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.

simple or few from base, prostrate to decumbent (arising laterally from a tuft of leaves, unbranched), 0.5–1.5 dm.

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

blade suborbicular, deltate to rhombic, or elliptic, margins entire or sparsely dentate, 2–4(–6) cm.

(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.

(shortly petiolate);

blade oblanceolate to linear, 1–2(–3) cm, margins entire.

dense.

loose, (sometimes elongated).

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 lanceolate, 3.5–6(–8) mm;

petals obovate to oblanceolate, (5–)7–8.5(–10) mm.

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

(sigmoid), 5–10 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.

obcordate to truncate or obcompressed, slightly compressed (angustiseptate, inflated at lobe tips), 3–6mm (wider than long);

valves densely pubescent, trichomes appressed or slightly spreading; (septum usually fenestrate);

ovules 4–8 per ovary;

style (slender), 3–6.5 mm, (often pubescent).

flattened.

flattened.

= 12, 32.

= 10.