Crude drug sample data base
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Crude drug name | Market name | 芫花 |
|---|---|---|
| Formal name | 芫花 | |
| Japanese name | げんか, Genka | |
| Vernacular name | Yuanhua | |
| Latin name | Genkwa Flos (CP) | |
| English name | Lilac Daphne Flower Bud (CP) | |
| Original plant name | Daphne genkwa Sieb. et Zucc., (Fujimodoki) | |
| Family name | Thymelaeaceae | |
| Used part | Classification | Plant origin | Sub classification | flos |
| Collection information | Hong Kong, Wing Tai Hong Medicine Co.,Ltd. | |
| Collection date | 1974/12/25 | |
| TMPW No. | 2224 | |
Scientific information data base
| Common name | 芫花, Yuanhua, Genkwa Flos (CP), Lilac Daphne Flower Bud (CP) | |||||
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| crude drug image |
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| Original plant name | Daphne genkwa Siebold et Zuccarini, (Fujimodoki, (Chōjizakura)) | |||||
| original plant image |
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| Family name | Thymelaeaceae | |||||
| Used part | flos | |||||
| Quality for selection | Those consisting only of flower buds collected before flowering, with intact (well-formed) flowers, strong bitterness, and a strong aroma are considered superior in quality (NI). | |||||
| Official compendium | CP (2025 ed.) | |||||
| Clinical application | It is used as a drastic laxative, diuretic, and expectorant, and is applied to cardiac asthma, edema with abdominal distension, and gastric and duodenal ulcers. It is contraindicated in individuals with a weak constitution and in pregnant women. | |||||
| Medical system | Traditional Chinese medicine | |||||
| Drug effect in traditional medicine | Traditional classification | Purgatives for removing water retention | ||||
| Beneficial effect | [Property and Flavor] Warm; bltter and pungent; toxic. [Meridian Tropism] Lung, spleen and kidney meridians. [Actions] To expel retained fluid by purgation; external application: to kill worms to treat sore. [Indications] Edema distention and fullness, hydrothorax and ascites, phlegm-fluid retention, aggregation and accumulation, cough and panting caused by qi counterflow, inhibited of defecation and urination; External application: scabies and tinea, favus, swelling abscess, frostbite. | |||||
| Chemical constituent | Sterols (*C1): Sitosterol Flavones & Flavonols (*C1): Genkwanin, Apigenin, Hydroxygenkwanin Other aromatic derivatives (*C1): Benzoic acid | |||||
| Pharmacological effect | Antifungal (water leaching: cutaneous fungus). Diuresis (decoction). Decrease in the blood pressure, uterine contraction, hyperpnea (genkwanin). Antiussive, expectorant (hydroxygenkwanin). | |||||
| DNA sequence | AF022132 | |||||
| Classical reference (Chinese Herbal Classic "Zhenglei bencao") |  ※Click this image to see the actual image | |||||
| Disease | Ascites, Edema, Oliguria, Constipation, Pleural effusion, Cough, Chest pain, Pain of lateral sides of trunk, Head trichophytosis, Roundworm | |||||
| Formulation | rarely used in formula | |||||
| References | CP0: Pharmacopoeia of the People's Republic of China 2025 edi. C1)The Encyclopedia of Wakan-Yaku with Color Pictures Vol. II, p 112. | |||||
| Remarks | It is often confused with or substituted by Jōka (flower buds of Wikstroemia chamaedaphne Meissn.). | |||||
| Last renewal date | 2026/05/19 | |||||
