Zanthoxylum heitzii (Aubrév. & Pellegr.) P.G.Waterman

A large tree. It can grow 35 m tall. The trunk is 20 m tall. The trunk can be 1.5 m across. There are prickly processes on the trunk. These can be 9 cm long. The leaves are alternate and clustered at the ends of branches. The leaves are compound and have leaflets along the stalk with one at the end. There are 25-51 leaflets. The leaves are up to 100 cm long. The leaflets are almost opposite and without stalks. They are oval or sword shaped and 4-15 cm long by 2-5 cm wide. There are small round teeth along the edge. The flowers are of one sex. They are small and without a stalk. They are near the ends of branches and in groups 40 cm long with many flowers. They are white. The fruit is a round follicle 4 mm across. The seeds are round and 2.5 mm across and black and shiny.

It is a tropical plant. It grows in evergreen forest up to 1,200 m above sea level. It is best in well-drained soils. Seedlings need light.

Plants can be grown from seed. Plants grow rapidly. Seeds germinate in 25-30 days. They are best not soaked in water.