mock-orange

Any of many shrubs of the genus Philadelphus having white, fragrant flowers, for which they are cultivated outside their natural range

(uncountable)Especially, Philadelphus coronarius (sweet mock orange), widely cultivated

(uncountable)Philadelphus lewisii (Lewis' mock-orange), of western North America

Any of several similar but not closely related plants.

(uncountable)Bursaria spinosa (Australian blackthorn)

(uncountable)Maclura pomifera (Osage orange), of North America

(uncountable)Murraya paniculata (orange jessamine), a small tree ranging from East Asia to Australasia

(uncountable)Pittosporum tobira, native to China, Japan, and Korea, and naturalized and cultivated elsewhere