orange, any of several species of small trees or shrubs of the genus Citrus of the family Rutaceae and their nearly round fruits, which have leathery and oily rinds and edible, juicy inner flesh.

Is orange a plant or a fruit?

The orange is the fruit of various citrus species in the family Rutaceae (see list of plants known as orange); it primarily refers to Citrus × sinensis, which is also called sweet orange, to distinguish it from the related Citrus × aurantium, referred to as bitter orange.

What is an orange plant called?

Citrus × sinensisOrder:SapindalesFamily:RutaceaeGenus:CitrusSpecies:C. × sinensis