Chinese Prickly Ash (Zanthoxylum bungeanum)

Chinese Prickly Ash (Zanthoxylum bungeanum) is a member of the Rutaceae family, native to China, Eastern Himalayas, and Southeast Asia. Traditionally, its fruits, bark, and leaves have been used for decoctions, infusions, and powders.

This herb is particularly valued for its anti-inflammatory, bitter, and astringent actions, and has a long history of use in traditional chinese medicine, japanese kampo medicine, and korean traditional medicine.

Chinese Prickly Ash (Zanthoxylum bungeanum) dried pieces of the herb arranged on a wooden table for reference — Chinese Prickly Ash (Zanthoxylum bungeanum) dried pieces of the herb arranged together on a wooden table for reference, used in teas and remedies.

Quick Facts / Key Information

Common Name	Chinese Prickly Ash
Scientific Name	Zanthoxylum bungeanum
Plant Family	Rutaceae
Genus	Zanthoxylum
Species	bungeanum
Native Range	China, Eastern Himalayas, Southeast Asia
Plant Parts Used	Fruits, Bark, Leaves
Primary Medicinal Actions	Anti-Inflammatory, Bitter, Astringent
Primary Traditional Systems	Traditional Chinese Medicine, Japanese Kampo Medicine, Korean Traditional Medicine
Historical Preparation Methods	Decoction, Infusion, Powder

Botanical Identity

Scientific Name: Zanthoxylum bungeanum
Common Name: Chinese Prickly Ash
Synonyms / Alternative Names: Sichuan Pepper, Zanthoxylum, Chinese Wild Pepper
Plant Family: Rutaceae
Genus: Zanthoxylum

Botanical Description

Growth Habit: Perennial herbaceous plant.
Height: It typically reaches a height of 2 to 5 meters.
Leaves: Simple leaves with serrated margins, upper surface dark green, lower surface pale green, bearing prominent stomatal bands along the midrib.
Flowers: Radially symmetrical flowers with five white petals and five yellow stamens arranged in clusters of three to five, each flower lacking a distinct calyx or corolla appendages.
Stems: Tertiary branching, opposite phyllotaxis, glabrous surface, pith with distinct radial pattern, woody cortex, persistent stipules.

Traditional Uses / Historical Use

Traditional Systems

Traditional Chinese Medicine
Japanese Kampo Medicine
Korean Traditional Medicine

Historical Preparation Methods

Decoction
Infusion
Powder
Poultice

Medicinal Actions

Anti-inflammatory: As described in traditional systems, a mild anti-inflammatory, for irritation-related applications.
Bitter: Commonly referenced as a cooling bitter, for flavor-based applications.
Astringent: Traditionally described as a gentle astringent, in tissue-toning contexts.
Tonic: In herbal literature, noted as a calming tonic, for long-term use contexts.

Active Compounds

Flavonoid: A widely occurring class of plant polyphenols found in leaves, flowers, and fruits.
Tannin: Naturally occurring polyphenols widely distributed in woody and leafy plant parts.
Phenolic Acid: Simple phenolic molecules widely distributed across plant tissues.
Alkaloid: Plant-derived nitrogenous compounds found in various tissues.

Modern Research Overview

Contemporary research on this plant includes areas such as chemical analysis, laboratory-based studies, and observational research. Detailed summaries of published findings are not included at this stage and will be added during future content updates.

Safety & Contraindications

General Precautions: The use of this herb may warrant general caution in certain situations.
Contraindications: Some conditions have been cited as contraindications for the use of this herb.
Allergies: Information regarding allergic responses to this herb is limited.
Drug Interactions: Interactions between this herb and prescription medications are not clearly established.
Toxicity: The toxicity profile of this herb has not been clearly established.
Pregnancy & Breastfeeding: Information addressing pregnancy and breastfeeding-related safety for this herb is limited.

Preparation & Usage Methods

Infusion: Plant material is steeped in hot water to extract water-soluble compounds.
Decoction: This method uses sustained heat to extract compounds from firm plant structures.
Poultice: A topical preparation made by applying softened plant material externally.
Powder: A preparation created by pulverizing dried plant material.
Culinary Use: Leaves, flowers, or roots are used as ingredients in culinary preparations.

Growing, Harvesting & Storage

Growing / Cultivation

Soil: Prefers loamy soil with well-drained conditions. Typically grows best in organically rich soils.
Sunlight: Thrives in partial sun. Tolerates full sun to partial shade.
Watering: Prefers well-balanced moisture levels. Tolerates periodic dry conditions.