Name of Chinese Medicine: Rhizoma Et Radix Boehmeria (zhumagen)
Alias: Ramie Root, Ramie Root, Ramie Ru.
English Name: Rhizoma Et Radix Boehmeriae
Source: Roots and rhizomes of Ramie Boehmeria nivea (L.) Gaud.
Phytomorphology: Perennial half-shrub, 1 to 2 meters high. Stem erect, terete, much branched, greenish brown, densely covered with coarse long hairs. Leaves alternate, stipules 2, detached, caducous, leaf blade broadly ovate or ovate, apex acuminate or subcaudate, base broadly cuneate or truncate, margin densely toothed, green, rough and scattered sparsely hairy above, densely intertwined white pilose below, basal veins 3. Flowers unisexual, usually monoecious, inflorescences paniculate, axillary, male inflorescences usually below female inflorescences, male flowers small, sessile, yellow-white, perianth segments 4, stamens 4, with staminodes, female flowers light green, clusters globose, ca. 2 mm diam. The achene is small, ellipsoid, densely short hairy, wrapped in persistent perianth, with one seed.
Plant picture:
Origin and distribution: Widely cultivated in China, Henan, Shandong and southern Shaanxi, also wild.
Harvesting and Processing: Dig in winter and spring, remove aboveground stems and soil, and dry in the sun. Generally choose the root of the thickness of the index finger, too thick is not easy to slice, and the medicinal effect is not good.
Herbal properties: rhizome is irregular cylindrical, slightly curved, 4-30 cm long, 0.4-5 cm in diameter, gray-brown surface, with longitudinal lines and most lenticels, and most warty protrusions and residual fibrous roots, hard, not easy to break, fracture surface fibrous. Cortex brown fish, wood light brown, some of the middle has several concentric rings, the central pith or hollow, the root slightly fusiform, about 10 cm long, 1 ~ 1.3 cm in diameter, surface gray-brown, with longitudinal wrinkles and long transverse branch holes, fracture surface of the flour sex. Slight gas, light flavor, viscous.
Herb picture:
Sexual flavor and meridian: cold in nature, sweet in taste. Attributed to the liver meridian, heart meridian and bladder meridian.
Effects: Cooling blood to stop bleeding, clearing heat to tranquilize the fetus, diuretic and detoxicating. It is classified under the category of Hemostatic Drugs to cool blood and stop bleeding.
Clinical application: Internal use: decoction, dosage of 5-30 grams, or pounding juice. Externally: Appropriate amount, freshly pounded, or decoction and fumigation. Indications: Hemoptysis, vomiting, epistaxis, hematemesis, hematemesis, hematemesis in stool, metrorrhagia, purpura, fetal restlessness, fetal leakage, dribbling of urine, carbuncle sores and swollen poisons, insect and snake bites caused by blood heat.
Pharmacology: It has the effect of stopping bleeding. Toxic.
Chemical composition: mainly contains chlorogenic acid, caffeic acid, oleanolic acid, 19a-hydroxyursolic acid and other ingredients.
Contraindication to Use: Caution should be exercised when there is no solid heat.
Herbal Formula:
① Treatment of hemoptysis: 30g of ramie root, 30g of lemongrass root. Decoction with water. (Sichuan Traditional Chinese Medicine Journal 1979)
② treatment of snake bites: ramie root appropriate amount, plus black tung oil pounded. Apply to the affected area. ("Hubei Chinese Herbal Medicine Journal")
(③) For the treatment of gonorrhea, blood in urine and urination: 9-15 grams each of ramie root and artichoke, and 4.5-9 grams of raw Pu huang. Decocted with water. (Journal of Medicinal Plants of Zhejiang)
④ For the treatment of habitual abortion or preterm labor: 30 grams of fresh ramie root, 30 grams of lotus seed (heart removed), 30 grams of glutinous rice. Boil with water to make porridge. Remove the ramie root and take it 3 times a day until full term. (Hunan Drugs)
⑤ For gout: 250g of ramie root, 15g of staghorn. Pound together and apply to the affected area. If the pain does not stop, wrap the medicine with lotus leaf, simmer it and apply it to the affected area. (Handbook of Chinese Herbs Commonly Used in Guangxi)
