Perennials, rhizomatous. Herb­age tomentose to villous. Stems ascending, decumbent, or pro­cumbent, to 60(–100) cm. Leaves not in rosettes; blade usually broadly to nar­rowly triangular, sometimes ± reniform, 30–60 × 30–90 mm, base lobed, lobes 1–3-pointed, margins not notably undulate, apex acuminate, acute, emarginate, or obtuse. Bracts usually immediately subtending sepals and lanceolate to broadly ovate, rarely to 7 mm distant from sepals and narrowly triangular to subreniform, (7–)10–18(–20) × (5–)7–14(–15) mm, lengths usually equal to or longer than sepals, margins entire, lobed, or toothed. Flowers: sepals 9–13(–15) mm, densely hairy; corolla white, (20–)26–38(–45) mm.

Distribution

California.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Lower Taxa

Calystegia malacophylla subsp. malacophylla, Calystegia malacophylla subsp. pedicellata

Key

1	Herbage: hairs (dry) usually dull to golden brown, rarely grayish; leaf blades usually broadly triangular, sometimes ± reniform, 30–60 × 40–90 mm, basal lobes 2(–3)-pointed, apex usually acute or emarginate, sometimes acuminate; peduncles 3–5 cm.	Calystegia malacophylla subsp. malacophylla
1	Herbage: hairs (dry) usually gray, sometimes dull brown; leaf blades narrowly triangular, 30–45 × 30–40 mm, basal lobes 1(–2)-pointed, apex usu­ally acute, sometimes obtuse; peduncles 6–9 cm.	Calystegia malacophylla subsp. pedicellata