Traditional Chinese Medicine Healing Herbs(TCMHH)

Wind-Damp-Dispelling and Pain-Alleviating Herbs

Wu Kou Shu (Folium et radix Tarennae Mollissimae)

Folium et radix Tarennae Mollissimae 乌口树
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Wu Kou Shu (Folium et radix Tarennae Mollissimae)
Wu Kou Shu (Folium et radix Tarennae Mollissimae)
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乌口树

Name

Wu Kou Shu (Folium et radix Tarennae Mollissimae)

Sources

The drug is the dried root or fresh leaf of Tarenna mollissima (Hook. f. et Arn.) Robins. (Family Rubiaceae), growing on mountain slopes, along streams and ravines,in sparse woods on mountainous areas, or in scrubs, and distributed in Zhejiang, Jiangxi, Fujian, Hubei, Hunan, Guangdong, Hainan, Guangxi, Guizhou, Sichuan and Yunnan of China.

The Effect of Wu Kou Shu

Property

Pungent, sour, slightly bitter, slightly warm.

Actions

Expel wind and resolve swelling, dissipate stasis and alleviate pain.

Indications

Traumatic injury, rheumatic arthritis, stomatitis, phlegmon, sores and boils, ischialgia.

Dosage and Administrations

Decoct 15~30 g, or soaked in wine, or decocted for mouth washing. Proper dosage is for external application, soaked in wine for applying on the affected area.

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Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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