California live oak
Quercus agrifoliaQuercus agrifolia, a dicot, is a tree that is native to California and is also found outside of California, but is confined to western North America. It’s bloom period is February-April. This plant has known uses according to Wikipedia.
Description Leaves Inflorescence and acorns Recognized varieties Hybridity Etymology Habitat and ecology Economic usage Historical usage Modern usage Geographical monikers
additional informational links: Wikipedia , Calflora
click image for maximum resolution