Zanthoxylum Flavum, also known as the Chinese yellowhorn, is a species of deciduous tree native to China. It is commonly used in traditional medicine, cooking, and gardening. The tree produces bright yellow flowers in spring, followed by clusters of small, yellow fruits that resemble miniature lemons. The leaves and bark of Zanthoxylum Flavum are known for their distinct aroma, which is similar to that of citrus fruits. Synonyms for Zanthoxylum Flavum include the Chinese pepper, Sichuan pepper, and Prickly Ash. These names reflect the tree's culinary and medicinal uses, as well as its spiny branches and distinctive flavor.