hard, heavy, fine-grained wood, usually white or light yellow, that is obtained from the box (Buxus sempervirens) and other small trees of the genus Buxus; about 30 species of shrubby evergreen plants are in the family Buxaceae. Boxwood also refers to many other woods with a similar density and grain, such as Venezuelan boxwood, or zapatero (Gossypiospermum praecox), a South American tree of the family Flacourtiaceae; West Indian boxwood, a North American lumber trade name for wood from two tropical American trees, Phyllostylon brasiliensis of the family Ulmaceae and Tabebuia pentaphylla of the family Bignoniaceae; and a number of woods from Australian trees in the genera Eucalyptus and Tristania (family Myrtaceae), Alyxia (family Apocynaceae), and Murraya (family Rutaceae).