How Many Years Can a Zanthoxylum armatum Tree Live? A Detailed Explanation of Its Lifespan

The Zanthoxylum armatum tree, also known as Zanthoxylum armatum, is a type of Sichuan pepper, mostly produced in Yunnan and Tibet. So how many years can a Zanthoxylum armatum tree live?

1. How many years can a Zanthoxylum armatum tree live?

Under normal circumstances, a Zanthoxylum armatum tree can live about 40 years; with proper management, it can live up to 50-80 years. A newly planted Zanthoxylum armatum tree needs about 3 years before it blooms and bears fruit in small quantities, increases gradually from 4-5 years, and only begins to bear fruit heavily after 10 years.

2. What is the difference between the Zanthoxylum armatum tree and the Sichuan pepper tree?

1. Leaf differences

The leaves of Zanthoxylum armatum have 3 to 9 leaflets, rarely 11, with obvious winged leaves; the leaflets are opposite, usually lanceolate, 3 to 12 cm long and 1 to 3 cm wide, with pointed ends, sometimes a broad wedge-shaped base; after drying, the leaf margins curl slightly toward the back, and the leaf surface is slightly rough and wrinkled. The leaves of Sichuan pepper have 5 to 13 leaflets; the leaf rachis usually has narrow leaf wings; the leaflets are opposite, sessile, ovate, elliptic, sometimes with a rounded base, 2 to 7 cm long and 1 to 3.5 cm wide, with finely serrate leaf margins.

2. Flower differences

The inflorescence of Zanthoxylum armatum is nearly axillary or grows simultaneously at the tips of lateral branches, 2 to 5 cm long, with about 30 small flowers in the inflorescence. The inflorescence of Sichuan pepper grows terminally or at the tips of lateral branches, with 6 to 8 tepals, yellow-green in color.

3. Fruit differences

The fruit of Zanthoxylum armatum is purplish red, with a few slightly raised oil spots. The fruit of Sichuan pepper is purplish red, with fruit valves 4 to 5 mm in diameter, scattered with slightly raised oil spots.

4. Fruit differences

Zanthoxylum armatum is used more in industry and rarely for food; it is mainly used to make preservatives, various lubricants and soap, but its other parts can be used medicinally. Sichuan pepper can remove fishy odors, dispel cold, increase appetite, promote blood circulation and strengthen human immunity, and also has a certain effect in lowering blood pressure.