Eruca sativa, is an edible annual plant, commonly known as salad rocket, roquette, rucola, rugula, colewort; or, in the United States, where it is very popular, arugula. Salad rocket (arugula) is sometimes conflated with Diplotaxis tenuifolia, the perennial wall rocket, another plant of the Brassicaceae family, which in the past was used in the same manner. Salad rocket is a species of Eruca native to the Mediterranean region, from Morocco and Portugal in the west to Lebanon and Turkey in the east. Vernacular names include salad rocket, garden rocket, or simply rocket (British, Australian, Canadian, South African and New Zealand English), eruca, and arugula (American English). All names ultimately derive from the Latin word eruca, a name for an unspecified plant in the family Brassicaceae, probably a type of cabbage.
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