There are 3 to 9 small leaves in the leaves of Zanthoxylum bungeanum. There are 11 thin leaves. The wing leaves are obvious. The small leaves are opposite. They are usually lanceolate, 3 to 12 cm long and 1 to 3 cm wide. The two ends of the leaves are sharp, sometimes the base is wide wedge-shaped. After drying, the leaf edge is slightly curled back, and the leaf surface is slightly wrinkled.
The leaves of Zanthoxylum bungeanum have 5 to 13 leaflets, the leaf axis usually has narrow wings, the leaflets are opposite, sessile, ovate, elliptic, sometimes round at the base, 2 to 7 cm long, 1 to 3.5 cm wide, and the leaf margin has fine teeth.
The inflorescence of Zanthoxylum is nearly axillary or grows at the top of lateral branches at the same time. It is 2 to 5 cm long, and there are about 30 small flowers in the inflorescence.
Prickly ash inflorescence is terminal or the top of side branch grows, perianth piece 6 to 8, show yellow green..
The fruit of Zanthoxylum bungeanum is purplish red with a few oil spots.
Pepper fruit is purplish red, fruit petal diameter 4 to 5 mm, scattered slightly convex oil point.