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