'Indian potato' definitions:

A North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans [syn: groundnut, groundnut vine, Indian potato, potato bean, wild bean, Apios americana, Apios tuberosa]

Very tall American perennial of central and the eastern United States to Canada having edible tuberous roots [syn: giant sunflower, tall sunflower, Indian potato, Helianthus giganteus]