多年生草(cao)本,植株高10-30厘(li)米。根狀莖橫走,圓(yuan)(yuan)柱形(xing)(xing)(xing)(xing),長(chang)(chang)(chang)2-3厘(li)米,粗3-7毫(hao)米。基生葉1,有(you)(you)長(chang)(chang)(chang)柄,長(chang)(chang)(chang)5-15厘(li)米;葉片(pian)(pian)三(san)全裂(lie),全裂(lie)片(pian)(pian)有(you)(you)細柄,三(san)或二深裂(lie),變無毛,葉柄長(chang)(chang)(chang)2-7.8厘(li)米,有(you)(you)疏柔毛。花(hua)草(cao)近無毛,苞片(pian)(pian)3,有(you)(you)柄(長(chang)(chang)(chang)2-5毫(hao)米),葉片(pian)(pian)近扇形(xing)(xing)(xing)(xing),長(chang)(chang)(chang)1-2厘(li)米,三(san)全裂(lie),中(zhong)全裂(lie)片(pian)(pian)倒卵形(xing)(xing)(xing)(xing)或倒卵狀長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing)(xing)(xing),頂(ding)端(duan)圓(yuan)(yuan)形(xing)(xing)(xing)(xing),上部邊緣有(you)(you)少數小鋸齒(chi),側(ce)全裂(lie)片(pian)(pian)稍(shao)斜;花(hua)梗(geng)1,長(chang)(chang)(chang)1-1.3厘(li)米,變無毛;萼片(pian)(pian)9-15,白(bai)色,長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)或線狀長(chang)(chang)(chang)圓(yuan)(yuan)形(xing)(xing)(xing)(xing),長(chang)(chang)(chang)1.2-1.9厘(li)米,寬2.2-6毫(hao)米,頂(ding)端(duan)圓(yuan)(yuan)或鈍,無毛;雄(xiong)蕊長(chang)(chang)(chang)4-8毫(hao)米,花(hua)藥橢圓(yuan)(yuan)形(xing)(xing)(xing)(xing),長(chang)(chang)(chang)約(yue)0.6毫(hao)米,頂(ding)端(duan)圓(yuan)(yuan)形(xing)(xing)(xing)(xing),花(hua)絲(si)絲(si)形(xing)(xing)(xing)(xing);心皮約(yue)30,子房密被短柔毛,花(hua)柱短。4月至5月開花(hua)。
生(sheng)海拔800米(mi)上下的山地林中(zhong)或草地陰處(chu)。在朝鮮(xian)、蘇聯遠東地區也有分布。
在中國(guo)分布于山東東北部、遼寧、吉林、黑龍江。
【蒙藥(yao)】烏蘭一(yi)孟根花一(yi)其(qi)其(qi)格:根狀莖用于(yu)風濕性關節炎,腰腿疼痛《蒙藥(yao)》。
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,咳嗽多(duo)痰,骨(gu)節(jie)痛(tong)。