Quick Facts
| Latin Name | Cynanchi Paniculati Radix et Rhizoma |
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| Chinese Name & Pinyin | 徐長卿 · Xu Chang Qing |
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| Medicinal Part | Roots and rhizomes |
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| Efficacy Category | Wind-damp dispelling |
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| Botanical Origin | The dried root and rhizome of Cynanchum paniculatum (Bge.) Kitag.(Asclepiadaceae) |
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| Nature & Flavour | Acrid; Warm |
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| Channels Entered | Liver, Stomach |
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What Is Xu Chang Qing?
Xu Chang Qing (Paniculate Swallowwort Root or Herb) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in the Chinese provinces of Jiangsu, Zhejiang, Hubei, Anhui.
Nature & Flavour: Acrid; Warm
Channels Entered: Liver, Stomach
Xu Chang Qing: Materia Medica Profile
Identification & Quality Standard
Cynanchi Paniculati Radix et Rhizoma
Botanical Origin
The dried root and rhizome of Cynanchum paniculatum (Bge.) Kitag.(Asclepiadaceae)
Production Regions
Primarily produced in the Chinese provinces of Jiangsu, Zhejiang, Hubei, Anhui.
Quality Requirements
Superior medicinal material has potent aromatic odor.
Macroscopic Features
Rhizome is irregular pillar-shaped, jointed, 0.5~3.5cm long, 2~4mm diameter. Some apexes have remnants of stele, thin cylindrical, about 2cm long, 1~2mm diameter, fractured surface has hollow center; rhizome joints have numerous surrounding roots. Root is thin long cylindrical, curved, 10~16cm long, 1~1.5mm diameter. Externally pale yellowish-white or pale brownish-yellow or brown; with slightly thin longitudinal wrinkles and thin rootlets. Brittle texture, easily broken, powdery fractured surface, cortex is off-white or yellowish-white, cambium is pale brown, thin and small xylem. Aromatic odor, slightly acrid and cooling taste.
Traditional TCM Properties
Acrid; WarmLiverStomach
Traditional Functions
Dispels wind, transforms dampness, stops pain, and relieves itching.
How Xu Chang Qing Is Used in TCM
In the Chinese materia medica, Xu Chang Qing 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.
