多年生草(cao)本,植株(zhu)高(gao)10-30厘(li)米(mi)(mi)(mi)(mi)(mi)。根狀(zhuang)莖橫走,圓(yuan)柱形(xing)(xing)(xing)(xing)(xing),長(chang)2-3厘(li)米(mi)(mi)(mi)(mi)(mi),粗3-7毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)。基生葉(xie)1,有(you)長(chang)柄(bing)(bing),長(chang)5-15厘(li)米(mi)(mi)(mi)(mi)(mi);葉(xie)片(pian)(pian)三全裂(lie),全裂(lie)片(pian)(pian)有(you)細柄(bing)(bing),三或(huo)二深裂(lie),變無毛(mao),葉(xie)柄(bing)(bing)長(chang)2-7.8厘(li)米(mi)(mi)(mi)(mi)(mi),有(you)疏柔毛(mao)。花草(cao)近無毛(mao),苞片(pian)(pian)3,有(you)柄(bing)(bing)(長(chang)2-5毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)),葉(xie)片(pian)(pian)近扇形(xing)(xing)(xing)(xing)(xing),長(chang)1-2厘(li)米(mi)(mi)(mi)(mi)(mi),三全裂(lie),中(zhong)全裂(lie)片(pian)(pian)倒卵形(xing)(xing)(xing)(xing)(xing)或(huo)倒卵狀(zhuang)長(chang)圓(yuan)形(xing)(xing)(xing)(xing)(xing),頂(ding)端圓(yuan)形(xing)(xing)(xing)(xing)(xing),上(shang)部邊緣有(you)少數小鋸齒,側全裂(lie)片(pian)(pian)稍斜;花梗1,長(chang)1-1.3厘(li)米(mi)(mi)(mi)(mi)(mi),變無毛(mao);萼(e)片(pian)(pian)9-15,白(bai)色,長(chang)圓(yuan)形(xing)(xing)(xing)(xing)(xing)或(huo)線狀(zhuang)長(chang)圓(yuan)形(xing)(xing)(xing)(xing)(xing),長(chang)1.2-1.9厘(li)米(mi)(mi)(mi)(mi)(mi),寬2.2-6毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi),頂(ding)端圓(yuan)或(huo)鈍,無毛(mao);雄蕊長(chang)4-8毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi),花藥橢圓(yuan)形(xing)(xing)(xing)(xing)(xing),長(chang)約(yue)0.6毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi),頂(ding)端圓(yuan)形(xing)(xing)(xing)(xing)(xing),花絲(si)絲(si)形(xing)(xing)(xing)(xing)(xing);心皮約(yue)30,子房(fang)密(mi)被短柔毛(mao),花柱短。4月至5月開花。
生(sheng)海拔800米上下(xia)的山地林中或草地陰處。在(zai)朝鮮、蘇(su)聯遠東地區(qu)也有分布。
在中(zhong)國分布于山東東北部、遼寧、吉林、黑(hei)龍江。
【蒙藥】烏蘭一孟根(gen)花一其(qi)其(qi)格:根(gen)狀莖用于風濕(shi)性(xing)關(guan)節炎,腰腿疼痛(tong)《蒙藥》。
根狀莖(兩頭(tou)尖):辛,熱。有(you)毒。祛風(feng)濕,消(xiao)癰腫。用于(yu)風(feng)濕腰腿痛,關(guan)節痛,風(feng)寒感冒,咳(ke)嗽多痰,骨(gu)節痛。