Calystegia subacaulis is a species of morning glory known by the common name hillside false bindweed.[1] [2]
It is endemic to California, where it grows in the North and Central California Coast Ranges and the San Francisco Bay Area, in woodland and chaparral scrub habitat.
Calystegia subacaulis is a hairy perennial herb growing from a woody caudex or a rhizome and extending stems no longer than about 20 centimeters. The leaves are 3 or 4 centimeters long and triangular or arrowhead shaped with small side lobes.
The inflorescence produces morning glory flowers atop short peduncles. Each flower is 3 to 6 centimeters wide and white or cream in color, often tinted with light purple.