Pinyin: Liaogewang
Aliases
Du Chugen, Dimian Gen, Digu Gen, Qima Gen, Bie Nan Gen.
Source
1. Source: Wikstroemia indica C.A.Mey.Wikstroemia indicaDried root or root bark of (L.) C.A.Mey.
Botanical Description
This is NOT a prescription - it is a Botanical Description section. Please provide the correct content for translation.
Habitat and Distribution
It grows in mountain slopes, thickets, roadsides, and village edges. It is distributed in Zhejiang, Jiangxi, Fujian, Taiwan, Hunan, Guangdong, Guangxi, Guizhou, Yunnan, and other regions.
Harvesting and Processing
Collect the roots from autumn to early spring, wash clean and slice, or peel off the inner bark. Dry in the sun and set aside for use.
Medicinal Properties
Root cylindrical or with branches, up to 40 cm long, diameter 0.5-3 cm. Surface yellowish-brown to grayish-brown, with irregular longitudinal wrinkles and transverse lenticels and slightly protruding rootlet scars. Texture tough and firm; transverse section shows bark layer 1.5-4 mm thick, off-white, easily separable from the wood, with numerous cotton-like fibers; wood pale yellow, with radial striations. Odor faint; taste slightly bitter, with a prolonged burning and uncomfortable sensation upon chewing. Those with thick strips and thick bark are considered superior.
Chemical Constituents
The roots and root bark contain tricin and kaempferol-3-O-.β-D-glucopyranoside,β- β-sitosterol, Wikstroemia indica polysaccharide-1, daphnoretin, genkwanin, wikstroemin, arctigenin, matairesinol, pinoresinol, nortrachelogenin, and wikstroemoidin.
Pharmacology
Has abortion-inducing and anti-tumor effects; has diuretic and antibacterial effects.
Properties and Channel Entry
Bitter, acrid, cold, and toxic.
Functions and Indications
Clears Heat and resolves toxicity, disperses nodules and expels stasis, promotes urination and kills parasites. Mainly indicated for pneumonia, bronchitis, mumps, pharyngitis, lymphadenitis, mastitis, carbuncles and furuncles, rheumatic arthritis, edema and ascites, leprosy, amenorrhea, and traumatic injuries.
Dosage and Administration
Internal: decoct in water (should be decocted for more than 4 hours), 10-15 g; External: appropriate amount, mash for application, or grind into powder for mixing and application.
Precautions and Contraindications
This product is toxic and is contraindicated in pregnant women and individuals with deficient-cold constitutions.
Prescriptions
1. For pneumonia, bronchitis, and tonsillitis: 6 g of *Wikstroemia indica* root white bark, decoct in water for oral administration. (*Zhejiang Folk Commonly Used Herbal Medicine*) 2. For mumps: 120 g of *Wikstroemia indica* root, 120 g of *Lonicera japonica* (soil honeysuckle), 500 g of *Stephania tetrandra* (stone toad), 500 g of *Mallotus apelta* (stagnant root, using the two barks). Grind together into powder, mix with water and apply to the affected area. (*Lingnan Herbal Records*) 3. For early-stage scrofula: 10 g each of fresh *Wikstroemia indica* root and *Helicteres angustifolia* (mountain sesame). Decoct in water for oral administration. (*Fujian Materia Medica*) 4. For mastitis: Appropriate amounts of *Wikstroemia indica* root second-layer bark, *Ranunculus japonicus* root, and glutinous rice flour. Mash into a paste and apply to the affected area; remove when a burning sensation appears on the skin. (*Fujian Materia Medica*) 5. For purulent sores that have not yet ruptured: Appropriate amount of *Wikstroemia indica* root bark. Mash and apply around the sore, leaving an opening for pus drainage. (*Guangxi Chinese Herbal Medicine*) 6. For traumatic injuries: 30 g of *Wikstroemia indica* root, 6 g each of *Sapium sebiferum* root and mulberry root. Chop into pieces, soak in 500 ml of white liquor for 3 days and nights. Adults take 15-20 ml each time, and also slice fresh ginger, dip in the medicinal liquor, and rub the injured area. (*Fujian Materia Medica*) 7. For snake and centipede bites: Sun-dried *Wikstroemia indica* root, processed by steaming and drying nine times. Take 15-30 g each time, decoct in warm water and take orally. (*Lingnan Herbal Records*) 8. For cervicitis: Use a 10% decoction of *Wikstroemia indica* for vaginal irrigation and cervical wet compresses. (*National Compilation of Chinese Herbal Medicine*)
