Choisya ternata (Mexican orange), an aromatic shrub native to North America.
Bursaria spinosa (Australian blackthorn), a small tree from Australia.
Murraya paniculata (orange jessamine), a small tree ranging from East Asia to Australasia.
Maclura pomifera (Osage orange), a small tree from North America.
Any shrub of the genus Philadelphus, particularly Philadelphus coronarius (sweet mock orange).
Pittosporum undulatum (sweet pittosporum), a small tree native to Australia.
A shrub, Citrus trifoliata, mostly grown as a rootstock for other citrus.