Quick Facts
| Latin Name | Cleistocalycis Operculati Flos |
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| Chinese Name & Pinyin | 水翁花 · Shui Weng Hua |
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| Medicinal Part | Flowers |
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| Efficacy Category | Heat-clearing |
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| Botanical Origin | The dried young flower bud of Cleistocalyx operculatus (Roxb.) Merr. et Perry (Myrtaceae). |
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| Nature & Flavour | Bitter, Sweet; Cool |
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| Channels Entered | Lung, Spleen, Stomach |
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What Is Shui Weng Hua?
Shui Weng Hua (Operculate Cleistocalyx Flower Bud) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in the Chinese provinces of Guangdong, Guangxi, Hainan, Yunnan.
Nature & Flavour: Bitter, Sweet; Cool
Channels Entered: Lung, Spleen, Stomach
Shui Weng Hua: Materia Medica Profile
Identification & Quality Standard
Cleistocalycis Operculati Flos
Botanical Origin
The dried young flower bud of Cleistocalyx operculatus (Roxb.) Merr. et Perry (Myrtaceae).
Production Regions
Primarily produced in the Chinese provinces of Guangdong, Guangxi, Hainan, Yunnan.
Quality Requirements
Superior material is dry, dark brown, fragrant and complete.
Macroscopic Features
Oval or spindle-shaped, 4~6 mm long, 3~4 mm diameter; receptacle campanulate, externally dark brown or brownish-black; calyx lobes connate into a circular cap at top; petals 4; stamens numerous, long; texture light and brittle; aromatic odor; bitter taste.
Traditional TCM Properties
Bitter, Sweet; CoolLungSpleenStomach
Traditional Functions
Clears heat and resolves toxin, dispels summerheat and generates fluids, disperses food stagnation and leaches dampness.
How Shui Weng Hua Is Used in TCM
In the Chinese materia medica, Shui Weng Hua is classified among the Heat-clearing 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.
