Manihot esculenta (commonly called cassava (/kəˈsɑːvə/), manioc, yuca, mandioca and Brazilian arrowroot) is a woody shrub native to South America of the spurge family, Euphorbiaceae. It is extensively cultivated as an annual crop in tropical and subtropical regions for its edible starchy tuberous root, a major source of carbohydrates. Though it is often called yuca in Spanish and in the United States, it differs from yucca, an unrelat