Perennials, rhizomatous. Herb­age glabrous or sparsely hairy. Stems trailing or twining-climbing. Leaves: blade oblong, oblong-ovate, orbiculate, or ovate, 45–122 × 30–96 mm, base cordate and lobes rounded or base cuneate to ± truncate. Bracts (1–)2–3(–4) mm distant from sepals, narrowly elliptic to oblanceolate, 5–14 × 1–2.5(–3.5) mm, shorter than or equal to sepals, proximally flat, margins entire. Flowers: sepals lance-ovate to narrowly oblong, outers 8–11 × 2.5–5 mm, inners 11–15 × 3.5–4 mm; corolla white with yellow or purplish stripes, 27–45 mm.

Flowering Mar–Sep. Poorly drained alkali silt loams, disturbed sites; 10–300 m; Calif.