any of a genus (Pittosporum) of evergreen trees and shrubs of the pittosporum family from Japan, Australia, etc.
adjective
designating a family (Pittosporaceae, order Rosales) of decorative, dicotyledonous trees and shrubs
See pittosporum in American Heritage Dictionary 4
(pĭ-tŏsˈpər-əm, pĭtˌə-spôrˈəm, -spōrˈ-)
noun
Any of various evergreen shrubs or plants of the genus Pittosporum, native to the warmer regions of the Old World and grown as ornamental or hedge plants in the southern United States and Pacific coastal states.