Dioscorea hastifolia

Dioscorea hastifolia, the Adjigo (ˈadʒɪɡəʊ) yam, also known as the Warram, is a yam with long, white, edible tubers that is native to Southwest Australia. It is a climbing vine with hastate, spearheaded, leaves and bears green triangular fruit. The tubers are used by Aboriginal Australians as a source of carbohydrates, whom cultivated the plant extensively. After the yellow flowers have seeded the plant is dug up in winter and roasted.