Calystegia purpurata subsp. solanensis (Jepson) Brummitt; Convolvulus occidentalis A. Gray var. solanensis (Jepson) J. T. Howell

Stems strongly twining-climbing. Leaf blades narrowly to broadly triangular, basal lobes gradually to abruptly spreading, acutely or obscurely 2-pointed, basal sinus acute, V-shaped, apex acute. Bracts: margins entire.

Flowering Apr–Sep. Chaparral, coastal scrub, dry, rocky sites, shrubby slopes; 0–600(–1600) m; Calif.