The orange is the fruit of the citrus species Citrus sinensis in the family Rutaceae. The fruit of the Citrus sinensis is considered a sweet orange, whereas the fruit of the Citrus aurantium is considered a bitter orange.
Oranges are one of the most popular fruits around the world.
They have a brightly colored outer rind covering the soft, juicy, pulpy fruit.
There are now over 600 varieties of oranges worldwide.
Oranges originated around 4000 B.C. in Southeast Asia, from which they spread to India.
Oranges are unknown in the wild. They are a hybrid of the pomelo, or “Chinese grapefruit” (which is pale green or yellow), and the tangerine.
The orange tree is an evergreen, flowering tree, with an average height of 9 to 10 m (30 to 33 ft).