Introduction of rapid identification method of Geranium

Geranium is a rare traditional Chinese medicine It was first seen in the native grass of Southern Yunnan It has the functions of dispelling wind dampness, dredging meridians and collaterals, and stopping diarrhea It is used for rheumatism arthralgia, numbness and contracture, aching muscles and bones, diarrhea and dysentery The source is the dried whole grass of erdium stephanianum wild or Geranium wilfordii Maxim The former is called long billed geranium, while the latter is called short billed Geranium Origin and distribution 1 Geranium: in Tianjin, Hebei Baoding, Anguo, Shandong Qingdao, Jining, Weifang and other places 2 Geranium breviflora: it is distributed in Northeast, North and Northwest China, Henan, Hubei, Sichuan, Guizhou, Guangxi, etc The main difference between Geranium long billed and Geranium short billed is that the former is as long as the stork beak (beak), while the latter has a shorter style, so it is called Geranium short billed Such a distinction is simple and feasible Identification of famous works: 1 Diannan materia: mild in nature and bitter in taste Dispel the itching and aching of Zhufeng's skin Hand and foot contracture, numbness, defecation, diarrhea and accumulated heat, etc ② "A collection of compendium of Materia Medica": "geranium, out of Shandong It tastes bitter and pungent, dispels wind, dredges meridians and promotes blood circulation, strengthens muscles and bones, opens veins, injures arthralgia, numbs skin and wind For medicine " Long billed Geranium: stem length 30-50cm, diameter 3-7mm, many branches, node expansion obvious, the surface gray green or with purple halo, there are obvious longitudinal rhombus, sparse hair Leaves opposite, stipitate, entire leaves bipinnately divided, lobes less than 3 mm Leaves axillary fruit with long stalk, calyx persistent, 5-lobed, capsule with a long beak, about 3-4cm long, 5-lobed when mature, spirally curled and showing brown hair inside Odorless and tasteless 2 Stork with short beak: the stem is straight or curled into a mass, many branches, with a diameter of 2-4mm, the surface is gray green, with obvious longitudinal rhombus, and the hair on it is fine and dense The leaves are long stalked, opposite, curly and crinkled; the complete leaves are 3-5-lobed, kidney shaped and polygonal, and the lobes have coarse teeth or notches 1-2 flowers with long stalk in axil, sepals 5-lobed persistent Capsule with a long, columnar beak, dehiscent and retrorse when mature, inner surface glabrous, odorless Geranium Sibir icum L It is sold to the three northeastern provinces, Inner Mongolia, Ningxia, Gansu, Qinghai, Xinjiang, Guizhou, Guangxi and other provinces and regions 2 Geranium nepalensesweet: the whole grass of Geranium nepalensesweet Sold in Ningxia, Qinghai, Gansu, Hubei, Jiangxi, Sichuan, Yunnan, Guizhou and other places In addition, there are also Geranium wilfordii, geranium maorui, Geranium stout, geranium greyii, Geranium Xing'an, Geranium alpine, Geranium Safflower in different areas when Geranium as medicine.