Flora of North America species comparison

few to several from base, erect, (usually exceeding basal leaves), 0.3–0.7 dm.

several from base, usually prostrate, rarely decumbent, (unbranched, often purplish, sparsely pubescent), to 1.5 dm.

blade linear-spatulate, 1.5–4 cm, (base narrowed gradually to petiole), margins entire.

blade deltate, hastate, or, less often, rhombic to elliptic, 1–5 cm, margins entire (often partially involute).

blade spatulate, similar to basal.

(proximal shortly petiolate);

blade linear to oblanceolate, 0.5–1.5 cm, margins entire.

crowded in distal 1/3, (4–10-flowered).

loose, elongated.

sepals (pale yellow), oblong to elliptic, 3–4 mm, (median pair usually thickened apically, cucullate);

petals (sometimes with slight tinge of orange basally), lingulate, 4–6 mm.

sepals (often purplish), oblong, lanceolate, or ovate, 4–6 mm, (median pair thickened apically);

petals spatulate or cuneate, 5–8(–9) mm, (margins undulate).

(loosely to strongly sigmoid), 6–10 mm.

(ascending, slightly sigmoid to straight), 5–10 mm.

ellipsoid, slightly inflated (somewhat latiseptate), 4–5 mm, (apex acute);

valves pubescent, trichomes erect, appearing slightly shaggy;

ovules 4–8 per ovary;

styles 2.5–3 mm, (shorter than mature fruits).

ovoid or ellipsoid, slightly compressed, 3–5(–6) mm, (base often gibbous);

valves pubescent, trichomes loose, furcate near their bases and spreading, sometimes sparsely pubescent inside;

ovules 4(–8) per ovary;

style 1.5–4 mm.

± flattened, convex on outer side.

flattened.