Perennials, rhizomatous. Herbage glabrate or hairy, hairs minute, appressed or ascending. Stems trailing or weakly twining-climbing, to 100 cm. Leaves: blade ± triangular-hastate (daggerlike), 20–40 mm, middle lobe ± lance-linear, (1–)2–7(–9) mm wide, base lobed, lobes 1–2-pointed. Bracts 1–2 mm distant from sepals, linear, 5–16(–20) × 0.5–1.5 mm, proximally flat, margins entire or proximally lobed or toothed. Flowers: sepals ovate to elliptic, 9–11 × 4–6 mm, apices obtuse-apiculate; corolla white, 27–36 mm.

Flowering Mar–Sep. Gabbro or serpentine soils, chaparral, mixed or coniferous woodlands, foothills; of conservation concern; 800–1200 m; Calif.