It's Asarina scandens, sometimes known as climbing snapdragon or figwort.
From the sfgate.com
Ocean spray, hummingbird sage, Johnny jumpups, Arroyo lupine and California figwort are just some of the varieties you'll see.
From the fresnobee.com
This genus was traditionally placed in the figwort family Scrophulariaceae, but recent reviews of phylogenetic research have placed it in the much enlarged family Plantaginaceae.