Cornus torreyi

About

Cornus torreyi, the western dogwood or creek dogwood, is a species of flowering plant in the family Cornaceae. It is native to the west coast of North America, from Alaska down to northern Baja California, and inland to Idaho and Montana. A deciduous shrub usually 1 to 6 m tall, its slender branches turn purplish-red in the sun but remain green in the shade.

Summary from Wikipedia