Peirson's false bindweed
Calystegia peirsonii (Abrams) Brummitt

Calystegia peirsonii, known as Peirson's false bindweed, is a species of morning glory in the family Convolvulaceae. It is native to California.
Description
Calystegia peirsonii is a member of the Convolvulaceae family and is commonly referred to as Peirson's false bindweed. This species is found in California. It was formally described in 1965 and belongs to the genus Calystegia.
Other common names
Peirson's false bindweed
Distribution
California
Synonyms
Convolvulus peirsonii