Dirca occidentalis A. Gray

Dirca occidentalis A. Gray. Dirca occidentalis, the western leatherwood, is a deciduous shrub with leaves three to seven centimeters in length. Yellow flowers emerge prior to leafing. It grows on moist and shaded slopes. It is rare and endemic to the San Francisco Bay area of California. Its closest relative, Dirca palustris, lives in the eastern half of North America.