Indian potato

nouns

a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans
Apios americana, Apios tuberosa, Indian potato, groundnut, groundnut vine, potato bean, wild bean
very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
Helianthus giganteus, Indian potato, giant sunflower, tall sunflower