Sageretia wrightii
SHRUB.  Deciduous to nearly evergreen, straggling, with sparse thorns.  Leaves about 1 cm long, oval to nearly circular, usually short-pointed, bright green and shiny.  Bark smooth and gray.  Occasional on rock outcrops along Davidson Canyon; rare on smaller rocky washes.
FAMILY:  Rhamnaceae (Buckthorn Family)