多年生草本,植株高10-30厘(li)(li)(li)米(mi)(mi)(mi)(mi)。根狀莖(jing)橫走,圓(yuan)(yuan)柱形(xing)(xing),長(chang)(chang)(chang)2-3厘(li)(li)(li)米(mi)(mi)(mi)(mi),粗3-7毫(hao)(hao)米(mi)(mi)(mi)(mi)。基生葉1,有(you)(you)長(chang)(chang)(chang)柄(bing),長(chang)(chang)(chang)5-15厘(li)(li)(li)米(mi)(mi)(mi)(mi);葉片(pian)三全裂(lie),全裂(lie)片(pian)有(you)(you)細柄(bing),三或二深(shen)裂(lie),變無(wu)(wu)毛(mao),葉柄(bing)長(chang)(chang)(chang)2-7.8厘(li)(li)(li)米(mi)(mi)(mi)(mi),有(you)(you)疏(shu)柔毛(mao)。花(hua)(hua)草近無(wu)(wu)毛(mao),苞片(pian)3,有(you)(you)柄(bing)(長(chang)(chang)(chang)2-5毫(hao)(hao)米(mi)(mi)(mi)(mi)),葉片(pian)近扇形(xing)(xing),長(chang)(chang)(chang)1-2厘(li)(li)(li)米(mi)(mi)(mi)(mi),三全裂(lie),中全裂(lie)片(pian)倒(dao)卵形(xing)(xing)或倒(dao)卵狀長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing),頂端圓(yuan)(yuan)形(xing)(xing),上部邊緣有(you)(you)少(shao)數小鋸齒,側全裂(lie)片(pian)稍斜;花(hua)(hua)梗1,長(chang)(chang)(chang)1-1.3厘(li)(li)(li)米(mi)(mi)(mi)(mi),變無(wu)(wu)毛(mao);萼片(pian)9-15,白色,長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing)或線狀長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing),長(chang)(chang)(chang)1.2-1.9厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬2.2-6毫(hao)(hao)米(mi)(mi)(mi)(mi),頂端圓(yuan)(yuan)或鈍,無(wu)(wu)毛(mao);雄蕊長(chang)(chang)(chang)4-8毫(hao)(hao)米(mi)(mi)(mi)(mi),花(hua)(hua)藥橢圓(yuan)(yuan)形(xing)(xing),長(chang)(chang)(chang)約0.6毫(hao)(hao)米(mi)(mi)(mi)(mi),頂端圓(yuan)(yuan)形(xing)(xing),花(hua)(hua)絲(si)絲(si)形(xing)(xing);心皮約30,子房密被短柔毛(mao),花(hua)(hua)柱短。4月(yue)至(zhi)5月(yue)開花(hua)(hua)。
生海拔800米(mi)上下(xia)的山地(di)林(lin)中或草地(di)陰處。在朝鮮、蘇聯遠(yuan)東(dong)地(di)區也有分布。
在中國分布于山東(dong)(dong)東(dong)(dong)北(bei)部、遼寧、吉林、黑龍江(jiang)。
【蒙(meng)藥】烏蘭一(yi)(yi)孟根(gen)花一(yi)(yi)其其格(ge):根(gen)狀莖用于風濕性關(guan)節炎,腰腿疼痛《蒙(meng)藥》。
根狀莖(兩頭尖):辛,熱。有毒。祛風濕,消癰腫。用于風濕腰腿痛(tong),關節(jie)痛(tong),風寒感冒,咳(ke)嗽(sou)多痰,骨(gu)節(jie)痛(tong)。