1、 Leaf difference

Pepper leaves are thick, close to leathery, broad ovate to ovate oblong, vaguely close to circular, 10 to 15 cm long and about 5 to 9 cm wide. The top of the leaves is short and sharp, the base is round, there are no villi on both sides of the leaves, there are 5 to 7 veins on the leaves, and the petiole is 1 to 2 cm long

The leaves of Zanthoxylum bungeanum have 5 to 13 leaflets. The leaflets are opposite and have no petiole. They are oval or oval. According to the rare leaves, they are lanceolate. The leaves at the top of the leaf axis are larger, 2 to 7 cm long and about 1 to 3.5 cm wide. There are fine cracked teeth at the edge of the leaves

2、 Flower difference

The inflorescence of pepper is opposite to the leaves, shorter than or equal to the leaves, the total pedicel is equal to the petiole, the bracts are spoon shaped and oblong, 3 to 3.5 cm long, and the top is wide and round, in a shallow cup shape

Pepper flowers are terminal or grow at the top of lateral branches. There are 6 to 8 tepals, yellow green, basically the same shape and size

3、 Fruit difference

Pepper berries are spherical, sessile, 3 to 4 mm in diameter, red when ripe, black when dry when immature

The fruit of Zanthoxylum bungeanum is red, 4 to 5 mm in diameter, scattered with slightly raised oil spots