Source1.Achyranthes bidentata bl. is the root of Achyranthes bidentata bl. of Amaranthaceae.
2. Radix Cyathulae: the root of Cyathula officinalis Kuan, an amaranthaceae plant.
Origin and distribution1.Achyranthes bidentata: mainly produced in Wuzhi, wen county, Boai, Mengxian, Qinyang and other places in Henan. Mostly domestic.
2. Radix Cyathulae: mainly produced in tianquan county, Emei, Sichuan, Longhui, Guidong, Lingxian and other places in Hunan. Mostly for cultivation.
Identification points The characteristics of Achyranthes bidentata and Achyranthes bidentata are: the root of the former is round and yellow-white, with thin longitudinal stripes and sparse lateral root marks. Brittle and easily broken, the vascular bundles on the cross section are arranged in several rings, with special gas and slightly sweet and bitter taste. The roots of Achyranthes bidentata are thick, grayish brown, twisted and crooked. Tough, gray or yellow dotted vascular bundles with multi-layer rings can be seen on the cross section. Slight gas, sweet and bitter taste.
Classic Identification 1 Shennong Herbal Classic: "Achyranthes bidentata tastes bitter and sour. Main cold, dampness, flaccidity and paralysis, limb contracture, and knee pain that cannot be flexed and stretched ... a hundred times. Shengchuangu. "2 beams? "A Record of Famous Doctors" said: "Achyranthes bidentata was born in Kawaguchi and Linqu, and its roots were picked and dried in the shade in February, August and October. Wu Pu said, "The leaves are like summer blue and the stems are red. Tao Hongjing said, "Those who leave Caizhou by a short cut today will grow up and be gentle. Its stems are jointed. The one with big purple stems is male, the one with thin stems is female, and the male wins. "5 Late Tang and Early Song? Daming said, "Those who are pregnant with Suzhou are white, while those who are pregnant with Suzhou are purple. "6 Song? Su Song said, "Today, it also exists in Jianghuai, Fujian, Guangdong and Guanzhong, but it is not as true as that in Huaizhou. Spring-born seedlings, stems two or three feet high, blue-purple, with joints like crane knees and Achyranthes bidentata. The tip of the blade is round like a spoon, opposite to each other. Born as an ear at the node, it bears fine fruit in autumn. It is best to grow the roots to three feet and be soft. "8 Ming? "Herbal Medicine": "Achyranthes bidentata. The real estate is still Huaiqing, and there are male and female types. Female Achyranthes bidentata has thin nodes, short stems and green roots, and is brittle and weak; Male Achyranthes bidentata has large nodes, long stems and purple roots, and is soft and active. Root picking after autumn, * * * for later use. Li Shizhen said, "Achyranthes bidentata can be found everywhere, and it is called Achyranthes bidentata, which is unbearable to eat. Only those who are planted in northern soil and Sichuan are good. Harvest the seeds in autumn and plant them in spring. Its seedling stems are violent and the leaves are opposite, which is quite like amaranth leaves and is long and sharp. The autumn moon blooms and bears seeds, which are like mice's negative worms and have astringent hairs, and all stick to the stems and fall upside down. Take the roots in September, soak them in water for two nights, peel them, and wrap them. Although white is valuable, it is not as strong as keeping the skin to remove white juice for medicine. "Ten clear? Materia Medica from the New: Achyranthes bidentata. Out of Huaiqing Mansion, those who grow up fat and moist are good. "10." A new identification of counterfeit drugs "said:" The counterfeit name Achyranthes bidentata is different in color from Achyranthes bidentata, but different in nature. Achyranthes bidentata roots are used today, which tastes sweet and sour, and its nature is slightly cold. Only those who come out of Huaiqing and Sichuan are true. The roots are all long and soft. Although there is a shortcut, it is called Achyranthes bidentata. There is no other cure, but the ancient prescription has not used it yet, so this kind of Achyranthes bidentata is almost. Cao Bingzhang pressed: "There are three kinds of Achyranthes bidentata, each with its own special function. The producer in Huaiqing, Henan Province, is called Achyranthes bidentata. The root is two or three feet long, the meat is yellow and white, the skin is smooth and waxy, and the thick branches are the best. Produced in Tianjin, the skin is yellow and rough, with soft thorns and not round, and the sex is japonica. Produced in Sichuan, it is called Achyranthes bidentata, whose roots are thick without reed, yellow and black in color, and whose branches are thick and soft and waxy. Those who come out from all over Zhejiang are called Achyranthes bidentata, with purple stems and green leaves, which are born on opposite nodes. The leaves are quite amaranth-like, with thin and short roots and slippery juice. Treating laryngitis can induce vomiting, toxic phlegm and facilitate urination. Achyranthes bidentata strengthens tendons and bones and nourishes liver and kidney, which is as powerful as cattle, hence the name. Achyranthes bidentata can dispel wind and relieve dampness. Different types have different effects. 」
Rapid identification1.Achyranthes bidentata: the root is slender and cylindrical, sometimes slightly curved, with a thick upper end and a thin lower end, with a length of 30 ~ 60 cm and a diameter of 0.5 ~1cm. The surface is grayish yellow with fine longitudinal stripes and sparse lateral root marks. Hard and brittle, easy to break (soft when wet), yellow-brown in cross section, slightly horny, vascular bundles arranged in several rings. The gas is unique, and the taste is slightly sweet and bitter. Quality is better with long fat roots, fine skin and Huang Zi color.
2. Cyathula: The root is cylindrical, slightly twisted, the head is enlarged, and the lower part is thinner, with a length of 30 ~ 60 cm and a diameter of 0.8 ~ 2.5 cm. The surface is grayish brown or yellowish brown with longitudinal wrinkles and lateral root marks. Tough, not easy to break, the section can be seen gray or yellow vascular cambers arranged in several layers of rings. Slight gas, sweet and bitter taste.