Quick Facts
| Latin Name | Dioscoreae Nipponicae Rhizoma |
|---|
| Chinese Name & Pinyin | 穿山龍 · Chuan Shan Long |
|---|
| Medicinal Part | Roots and rhizomes |
|---|
| Efficacy Category | Wind-damp dispelling |
|---|
| Botanical Origin | The dried rhizome of Dioscorea nipponica Makino (Dioscoreaceae). |
|---|
| Nature & Flavour | Sweet, Bitter; Warm |
|---|
| Channels Entered | Liver, Kidney, Lung |
|---|
What Is Chuan Shan Long?
Chuan Shan Long (Japanese Yam Rhizome) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in Liaoning, Jilin, Heilongjiang, Hebei, Inner Mongolia.
Nature & Flavour: Sweet, Bitter; Warm
Channels Entered: Liver, Kidney, Lung
Chuan Shan Long: Materia Medica Profile
Identification & Quality Standard
Dioscoreae Nipponicae Rhizoma
Botanical Origin
The dried rhizome of Dioscorea nipponica Makino (Dioscoreaceae).
Production Regions
Primarily produced in Liaoning, Jilin, Heilongjiang, Hebei, Inner Mongolia.
Quality Requirements
Superior is thick, solid, yellowish-white.
Macroscopic Features
Long cylindrical, slightly curved, 10~15cm long, 0.3~1.5cm diameter. Externally yellowish-brown, with thin longitudinal grooves, sparse fibrous root scars. Hard, broken surface yellowish-white.
Traditional TCM Properties
Sweet, Bitter; WarmLiverKidneyLung
Traditional Functions
Dispels wind-dampness, relaxes sinews and unblocks collaterals, invigorates blood and relieves pain, stops cough and calms panting.
How Chuan Shan Long Is Used in TCM
In the Chinese materia medica, Chuan Shan Long is classified among the Wind-damp dispelling 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.
