A yam. A scrambling or twining shrub. It has a slender vine and a tuberous root. Plants die back and re-grow from this tuberous root. The plant can grow to 2 m high. The leaves vary a lot in shape and size. They can be 8 cm long but are more often 2-3.5 cm long by 0.5-1.5 cm wide. The leaves have 3-5 prominent veins. Male and female flowers are on separate plants. The male flowers are in spikes 1-3 cm long. The female plants produce winged fruit. These are about 2 cm long. The yams are cylindrical and 2-3 cm across.