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 [[File:123223U=4170837664,4132595070&fm=26&gp=0.jpg|缩略图|居中|[https://ss3.baidu.com/-fo3dSag_xI4khGko9WTAnF6hhy/baike/s=220/sign=55b5bbe03912b31bc36cca2bb6193674/54fbb2fb43166d2269723233462309f79052d20b.jpg 原图链接][https://image.sogoubaidu.com/PicBooklet.vsearch/detail?relateImageGroupIdsct=503316480&z=0&ipn=d&word=%E5%A4%A7%E5%8F%B6%E6%A5%A0%E6%A0%B9&step_word=&hs=0&pn=2&spn=0&di=33330&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=4170837664%2C4132595070&os=545570162%2C1429992945&simid=3460230581%2C367964735&adpicid=0&lpn=0&ln=327&fr=&fmq=1624352883958_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&lemmaIdwidth=9151411undefined&nowheight=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fpic.baike2Fss3.sosobaidu.com%2Fp2F-fo3dSag_xI4khGko9WTAnF6hhy%2Fbaike%2Fs%3D220%2Fsign%2F201202283D55b5bbe03912b31bc36cca2bb6193674%2F20120228153238-20348498712F54fbb2fb43166d2269723233462309f79052d20b.jpg&typefromurl=1#simple_0 原图链接][https://baike.sogou.com/v9151411.htm ippr_z2C%24qAzdH3FAzdH3Fkwthj_z%26e3Bkwt17_z%26e3Bv54AzdH3FetjoAzdH3F9c9d8n_z%26e3Bip4&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 来自 百度 的图片]]]

分布于江苏、浙江、福建、[[湖南]]、[[广东]]、广西、 [[ 贵州 ]] 等地。具有活血，散瘀，止痢之功效。