[syn: giant sunflower, tall sunflower, Indian potato, Helianthus giganteus]
WordNet (r) 3.0 (2006):
Indian potato
    n 1: 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]
    2: 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]