A large vine. The bark is greyish brown. The leaf stalk is 1.5 cm long. The leaves are narrowly oblong. They are 10-18 cm long by 4-7 cm wide. The base is rounded and they taper to the tip. The male flowers are at the end. They are branched 3 or 4 times and there are 5 or more spikes. There are 12-21 female flowers in a ring. The seeds are 3-4 cm long by 1.8 cm wide. They tend to hang down.