Convolvulus sabatius from California-GS10082023-1: 4 high res. images.
Convolvulus sabatius Viv. (Syn:  Convolvulus mauritanicus Boiss.)
Woody stemmed trailing perennial with 3-5 cm across violet flowers with lighter center.
Photographed from Regan Nursery, Fremont, California, 18-6-2023.

POWO treats both of them differently:

Pl. see.

Apparently very closely related, could not find differences anywhere, once we know the differences we will be sure which is our plant?