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, decumbent, (straggling and flexuous, usually branched distally), 4–8 dm.

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

blade narrowly elliptic to oblanceolate, 4–12 cm, margins entire, sinuate, or shallowly dentate, (apex acute).

(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.

(sessile or proximal shortly petiolate);

blade linear to narrowly elliptic, 3–4 cm, margins entire, sinuate, or remotely dentate, (apex acute).

dense.

loose, (sometimes greatly 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 elliptic, 3.5–4 mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals broadly obovate, 4–5 mm, (sometimes with short, broad claw).

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

(recurved), 15–20(–25) 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), subglobose or broadly ovoid, slightly compressed, 5–7 mm;

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

ovules per ovary unknown;

style 1.5–2 mm.

flattened.

flattened.

= 12, 32.

= 16.