These seeds were collected from Dioscorea oppositifolia, also known as Chinese Wild Yam, and Cinnamon Vine. This vine likes to live in full sun to light shade where it can grow up to 10 feet long and produces blossoms that are white and pink. These fragrant flowers are out from late summer until early fall. The tubers are a vegetable that can be used in place of a potato. USDA Hardiness Zones 5b to 11.