Subshrubs, rootstock woody. Herbage glabrous. Stems ascending-decumbent, trailing, or twining-climbing. Leaves: blade ± triangular to ovate-triangular, 15–50 mm, base lobed, lobes spreading, rounded or 2(–3)-pointed. Bracts 3–10(–16) mm distant from sepals, linear, (2–)3–12(–16) × 0.4–1.5 mm, margins entire or proximally lobed or toothed. Flowers: sepals 7–14 mm; corolla white or cream to pale purple, usually purple-striped, (23–)26–46(–52) mm.

Distribution

California.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Lower Taxa

Calystegia purpurata subsp. purpurata, Calystegia purpurata subsp. saxicola

Key

1	Stems strongly twining-climbing; leaf blades triangular, basal sinus V-shaped, apex acute; bract margins entire.	Calystegia purpurata subsp. purpurata
1	Stems ascending-decumbent, trailing, or weakly twining-climbing; leaf blades ovate-triangular, basal sinus ± closed, apex emarginate to rounded; bract margins lobed or toothed.	Calystegia purpurata subsp. saxicola