A shrub. It can grow up to 7 m tall. The leaves are compound with an odd number of leaflets. The leaflets are arranged along the stalk. The leaf stalk can be 1 m long and has a sheath at the base and is swollen at the nodes. There are 11-17 leaflets opposite each other. The leaflets are narrowly oval and 9-22 cm long. They are almost heart shaped at the base and taper to the tip. The edges are wavy. The flowering shoots are in the axils of leaves or at the top of the branches. They are 50 cm long and have branches in rings. The flowers are small and greenish.
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