An orange is a fruit of various citrus species in the family Rutaceae; 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.more...
Citrus × sinensis, also known as the Citrus sinensis, includes the commonly cultivated sweet oranges, including blood oranges and navel oranges.more...
 China 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. A number of species and varieties of orange are economically important, nammore...