Colocasia is a genus of flowering plants in the family Araceae, native to southeastern Asia and the Indian Subcontinent. Some species are widely cultivated and naturalized in other tropical and subtropical regions. Common names include Tarul, Karkala ko ganu, Elephant-ear, Taro, Cocoyam, Dasheen, Chembu, Champadhumpa, and Eddoe. Elephant-ear and Cocoyam are also used for some other large-leaved genera in the Araceae, notably Xanthosoma and Caladium.