Zanthoxylum micranthum

Zanthoxylum micranthum is a deciduous tree. It’s sparsely up to 15 meters high; stems and branches have sparse and short sharp thorns, inflorescence rachis and upper branchlets have no thorns or few thorns, the pith of the branches of the year is very small, each part is glabrous, and the leaf shaft often has narrow leaf texture on the ventral surface edge. The leaf has 9-17 leaflets; the leaflets are opposite, or not neatly opposite at the lower part of the leaf shaft, lanceolate, 5-8 cm long, 1-3 cm wide, tapered at the top and long pointed, round or wide at the base, symmetrical on both sides, or the base of one side is round, and the base of the other side is slightly wedge-pointed, the back color of the dried leaves is lighter, both sides are glabrous, with many oil spots, clearly visible through light perspective, and the edge of the leaf has blunt or rounded teeth, Midrib sunken, 8-12 side veins on each side; petiole 1.5-5 mm. The inflorescence is terminal and has many flowers; each has 5 sepals and petals; the sepals are wide ovate, about 1/3 mm wide; the petals are yellowish white, 1.5-21 mm long; 5 stamens of male flowers, about 3 mm long in full bloom, Pistil is very short, 3 lobed or undivided; female flower has 3 carpels and 4 sparsely. The fruit petals are light purple-red, light gray-yellow or gray-brown when dried, with a diameter of about 5 mm, with no or few awn tips on the top, and small oil spots; the seed length does not exceed 4 mm. Flowering from July to August, fruiting from October to November. Seen in sloping forests at an altitude of 300-900 meters.[2][3][7]