The dry height is 10-15 meters. The leaves are pinnately split, 4-5 meters long, with many pinnaes. The inflorescence is born between the leaf axils and is more than 1 meter long. One branch, with as many as 80 or more branches, each branch is 30-50 cm long, zigzag-shaped, with female flowers at the base to the middle and male flowers at the top; large bracts on the peduncle (big Buddha flame bud ) Boat-shaped, lignified. Flower monoecious.