The orange (specifically, the sweet orange) is the fruit of the citrus species Citrus × sinensis in the family Rutaceae. source
The orange (specifically, the sweet orange) is the fruit of the citrus species Citrus × sinensis in the family Rutaceae.
The sweet orange reproduces asexually (apomixis through nucellar embryony); varieties of sweet orange arise through mutations. source
The sweet orange reproduces asexually (apomixis through nucellar embryony); varieties of sweet orange arise through mutations.
The orange is a hybrid, between pomelo (Citrus maxima) and mandarin (Citrus reticulata). source
The orange is a hybrid, between pomelo (Citrus maxima) and mandarin (Citrus reticulata).
The sweet orange has genes that are ~25% pomelo and ~75% mandarin. source
The sweet orange has genes that are ~25% pomelo and ~75% mandarin.
The sweet orange is not a simple backcrossed BC1 hybrid, but hybridized over multiple generations. source
The sweet orange is not a simple backcrossed BC1 hybrid, but hybridized over multiple generations.
The sweet orange has had its full genome sequenced. source
The sweet orange has had its full genome sequenced.
Sweet oranges were mentioned in Chinese literature in 314 BC. source
Sweet oranges were mentioned in Chinese literature in 314 BC.
As of 1987, orange trees were found to be the most cultivated fruit tree in the world. source
As of 1987, orange trees were found to be the most cultivated fruit tree in the world.
Orange trees are widely grown in tropical and subtropical climates for their sweet fruit. source
Orange trees are widely grown in tropical and subtropical climates for their sweet fruit.
The fruit of the orange tree can be eaten fresh, or processed for its juice or fragrant peel. source
The fruit of the orange tree can be eaten fresh, or processed for its juice or fragrant peel.
As of 2012, sweet oranges accounted for approximately 70% of citrus production. source
As of 2012, sweet oranges accounted for approximately 70% of citrus production.
In 2013, 71.4 million metric tons of oranges were grown worldwide, production being highest in Brazil and the U.S. states of Florida and California. source
In 2013, 71.4 million metric tons of oranges were grown worldwide, production being highest in Brazil and the U.S. states of Florida and California.
The Valencia orange is a late-season fruit, and therefore a popular variety when navel oranges are out of season. source
The Valencia orange is a late-season fruit, and therefore a popular variety when navel oranges are out of season.
Navel oranges are characterized by the growth of a second fruit at the apex, which protrudes slightly and resembles a human navel. source
Navel oranges are characterized by the growth of a second fruit at the apex, which protrudes slightly and resembles a human navel.
Cara cara oranges (also called "red navel") are a type of navel orange grown mainly in Venezuela, South Africa and in California's San Joaquin Valley. source
Cara cara oranges (also called "red navel") are a type of navel orange grown mainly in Venezuela, South Africa and in California's San Joaquin Valley.
