Citrus x deliciosa is a citrus hybrid mandarin orange with just under 6% pomelo ancestry. It’s been widely grown around the Mediterranean since it appeared in Italy but was not found in the Orient until it was exported.

It has been widely grown around the Mediterranean since it appeared in Italy between 1810 and 1818. It is one of the most commercially important citruses. Its sweet fruit is eaten, its rind oil is used to flavor food and drinks, and petitgrain oil is extracted from the pruned leaves.

Source: Wikipedia
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