Quick Facts
| Latin Name | Clematidis Armandii Caulis |
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| Chinese Name & Pinyin | 川木通 · Chuan Mu Tong |
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| Medicinal Part | Stems and woods |
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| Efficacy Category | Dampness-draining |
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| Botanical Origin | The dried vine of Clematis armandii Franch, or Clematis Montana Buch. Ham. (Ranunculaceae). |
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| Nature & Flavour | Bitter; Cold |
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| Channels Entered | Heart, Small Intestine, Bladder |
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What Is Chuan Mu Tong?
Chuan Mu Tong (Armand Clematis Stem) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in the Chinese provinces of Sichuan, Guizhou, Hunan, Shaanxi.
Nature & Flavour: Bitter; Cold
Channels Entered: Heart, Small Intestine, Bladder
Chuan Mu Tong: Materia Medica Profile
Identification & Quality Standard
Clematidis Armandii Caulis
Botanical Origin
The dried vine of Clematis armandii Franch, or Clematis Montana Buch. Ham. (Ranunculaceae).
Production Regions
Primarily produced in the Chinese provinces of Sichuan, Guizhou, Hunan, Shaanxi.
Quality Requirements
Superior medicinal material has yellowish-white cut surface.
Macroscopic Features
Long cylindrical and slightly twisted, 50~100cm long, 2~3.5cm diameter. Externally yellowish-brown, with longitudinal indented grooves or ridges; enlarged nodes have leaf scars and lateral branch scars. Cortex remains present and is easily torn off. Hard texture and hard to break. Decoction pieces are 0.2~0.4cm thick; edges are uneven; remaining cortex is yellowish-brown or pale yellow, sometimes has yellowish-white radial grains and spaces, full with canals; pith is relatively small, off-white or yellowish-brown, or with spaces.
Traditional TCM Properties
Bitter; ColdHeartSmall IntestineBladder
Traditional Functions
Promotes diuresis and relieves stranguria, clears heart and eliminates vexation, unblocks menses and promotes lactation.
How Chuan Mu Tong Is Used in TCM
In the Chinese materia medica, Chuan Mu Tong is classified among the Dampness-draining herbs.
Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.
