a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans
very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
Any of several kinds of North American plants with edible, starchy bulbs or other underground structures, such as mariposa lilies, groundnuts, etc., especially
Apios americana ( American potato-bean), a terrestrial plant native to eastern North America;