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A yam. It grows each year from the tuber. A vine with slender stems armed with scattered short spines near the base. It twines to the right. The tubers are slender, fleshy and narrow. They can be 2 m long and 10 cm across. They grow deep in the soil. The leaves are simple and opposite. The leaf stalk is 7 cm long. Leaves are spear shaped and 10 to 18 cm long. The flowers are very small and yellowish green and borne in flower clusters in the axils of leaves. The male flower stalks can be 60 cm long. The female flower stalks can be 18 cm long. The fruit are divided into 3 semicircular lobes and contain flat winged seeds. (It is similar to Dioscorea nummularia)
