a deciduous tree of the genus Quercus; has acorns and lobed leaves

highly variable often shrubby evergreen oak of coastal zone of western North America having small thick usually spiny-toothed dark-green leaves

medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves

medium-sized evergreen native to eastern North America to the east coast of Mexico; often cultivated as shade tree for it wide-spreading crown; extremely hard tough durable wood once used in shipbuilding

a small shrubby evergreen tree of western North America similar to the coast live oak but occurring chiefly in foothills of mountain ranges removed from the coast; an important part of the chaparral