Grapes are not citrus fruits. They are part of the flowering plant family called Vitaceae, which also includes vines such as the Virginia creeper and Boston ivy. Citrus fruits such as lemons and oranges grow on trees, not vines.
The grape vine is one of more than 800 species of climbing plants. The genus Vitis is comprised of 60 to 70 varieties of grapes, including the North American fox grape and European wine grape.
Grapes come in many different colors, including white, purple, green, red, golden, blue and black. Some of the most common varieties are Flame, Ruby, Thompson and Perlette.
The Spanish introduced the grape to North America more than 300 years ago, according to FoodReference.com. Today, most of the grapes grown in the United States come from California.
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