One kind of the citrus fruits. Consist of outer integument that has oil and juicy flesh inside.
Oranges originated in Southeast Asia. The fruit of Citrus sinensis is called sweet orange to distinguish it from Citrus aurantium, the bitter orange. In a number of languages, it is known as a "Chinese apple" (e.g. Dutch Sinaasappel, "China's apple", or "Apfelsine" in German). The name is thought to ultimately derive from the Dravidian and Telugu word for the orange tree, with its final form developing after passing through numerous intermediate...