生長于河谷，沿岸，路邊，田邊，荒地，林下陰濕處。
原產于(yu)美國西北部和加利福尼亞州。
多年生(sheng)草本，高3~20厘(li)(li)(li)米(mi)(mi)。主根(gen)倒圓(yuan)錐形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)3~4厘(li)(li)(li)米(mi)(mi)，有(you)多數側根(gen)和(he)纖維狀細根(gen)，灰色(se)(se)(se)。植(zhi)株基(ji)部具多數呈蓮座狀排列的(de)小(xiao)(xiao)鱗(lin)莖，鱗(lin)莖輪廓近(jin)圓(yuan)形(xing)(xing)(xing)(xing)(xing)或(huo)卵(luan)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)0.5~1厘(li)(li)(li)米(mi)(mi)，由數枚白色(se)(se)(se)鱗(lin)片(pian)(pian)組成，外(wai)部鱗(lin)片(pian)(pian)披(pi)針(zhen)形(xing)(xing)(xing)(xing)(xing)，膜質，背(bei)部有(you)3條(tiao)(tiao)粗(cu)壯的(de)縱棱，近(jin)基(ji)部被(bei)(bei)(bei)(bei)緣毛(mao)(mao)(mao)(mao)(mao)，外(wai)面(mian)(mian)(mian)疏(shu)(shu)被(bei)(bei)(bei)(bei)柔毛(mao)(mao)(mao)(mao)(mao)或(huo)無(wu)(wu)(wu)毛(mao)(mao)(mao)(mao)(mao)，內部鱗(lin)片(pian)(pian)卵(luan)形(xing)(xing)(xing)(xing)(xing)，加(jia)厚。莖無(wu)(wu)(wu)。葉(xie)數枚基(ji)生(sheng)；葉(xie)柄(bing)長(chang)(chang)(chang)15~25厘(li)(li)(li)米(mi)(mi)，散生(sheng)柔毛(mao)(mao)(mao)(mao)(mao)；掌狀3小(xiao)(xiao)葉(xie)，小(xiao)(xiao)葉(xie)片(pian)(pian)圓(yuan)狀倒心形(xing)(xing)(xing)(xing)(xing)，正面(mian)(mian)(mian)綠(lv)色(se)(se)(se)，背(bei)面(mian)(mian)(mian)紫(zi)紅色(se)(se)(se)。長(chang)(chang)(chang)1~4.5厘(li)(li)(li)米(mi)(mi)，寬1.2~5.5厘(li)(li)(li)米(mi)(mi)，先端(duan)彎缺，基(ji)部寬楔(xie)(xie)形(xing)(xing)(xing)(xing)(xing)、圓(yuan)形(xing)(xing)(xing)(xing)(xing)或(huo)平截，兩(liang)面(mian)(mian)(mian)疏(shu)(shu)被(bei)(bei)(bei)(bei)緊貼的(de)柔毛(mao)(mao)(mao)(mao)(mao)及散生(sheng)暗紅色(se)(se)(se)瘤狀小(xiao)(xiao)腺體，有(you)時(shi)無(wu)(wu)(wu)；小(xiao)(xiao)葉(xie)無(wu)(wu)(wu)柄(bing)。傘房花(hua)序基(ji)生(sheng)，花(hua)葶與葉(xie)柄(bing)等長(chang)(chang)(chang)或(huo)稍長(chang)(chang)(chang)，疏(shu)(shu)被(bei)(bei)(bei)(bei)柔毛(mao)(mao)(mao)(mao)(mao)，不分(fen)枝(zhi)(zhi)或(huo)上部具2分(fen)枝(zhi)(zhi)，具5~12花(hua)；苞(bao)片(pian)(pian)數枚，卵(luan)形(xing)(xing)(xing)(xing)(xing)至披(pi)針(zhen)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)1.5~3毫米(mi)(mi)，外(wai)面(mian)(mian)(mian)疏(shu)(shu)被(bei)(bei)(bei)(bei)毛(mao)(mao)(mao)(mao)(mao)，里面(mian)(mian)(mian)無(wu)(wu)(wu)毛(mao)(mao)(mao)(mao)(mao)；長(chang)(chang)(chang)梗長(chang)(chang)(chang)1~4厘(li)(li)(li)米(mi)(mi)，疏(shu)(shu)被(bei)(bei)(bei)(bei)柔毛(mao)(mao)(mao)(mao)(mao)；萼片(pian)(pian)淡綠(lv)色(se)(se)(se)，披(pi)針(zhen)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)4~6毫米(mi)(mi)，外(wai)面(mian)(mian)(mian)疏(shu)(shu)被(bei)(bei)(bei)(bei)毛(mao)(mao)(mao)(mao)(mao)，里面(mian)(mian)(mian)無(wu)(wu)(wu)毛(mao)(mao)(mao)(mao)(mao)，先端(duan)具2個紅色(se)(se)(se)、長(chang)(chang)(chang)形(xing)(xing)(xing)(xing)(xing)的(de)小(xiao)(xiao)腺體；花(hua)5~15厘(li)(li)(li)米(mi)(mi)，花(hua)瓣粉紅色(se)(se)(se)、紫(zi)色(se)(se)(se)或(huo)白色(se)(se)(se)，向下(xia)顏色(se)(se)(se)漸淡，下(xia)部淡綠(lv)色(se)(se)(se)，狹(xia)楔(xie)(xie)狀倒卵(luan)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)1.2~1.4厘(li)(li)(li)米(mi)(mi)；密(mi)被(bei)(bei)(bei)(bei)短柔毛(mao)(mao)(mao)(mao)(mao)，近(jin)基(ji)部合生(sheng)，均(jun)具花(hua)藥，花(hua)藥小(xiao)(xiao)，淡粉色(se)(se)(se)；子(zi)房橢圓(yuan)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)2~2.5毫米(mi)(mi)，花(hua)柱與子(zi)房近(jin)等長(chang)(chang)(chang)，密(mi)被(bei)(bei)(bei)(bei)短柔毛(mao)(mao)(mao)(mao)(mao)。蒴果短條(tiao)(tiao)形(xing)(xing)(xing)(xing)(xing)，長(chang)(chang)(chang)1.7~2厘(li)(li)(li)米(mi)(mi)，被(bei)(bei)(bei)(bei)毛(mao)(mao)(mao)(mao)(mao)。花(hua)期(qi)6~9月。
用于庭(ting)園栽培，常(chang)作，觀賞植物(wu)。酢漿(jiang)草(cao)屬植物(wu)的特(te)征是(shi)含(han)有(you)草(cao)酸，其葉子及花(hua)朵有(you)一(yi)些酸味，吃點可以提神。但是(shi)若大(da)量攝取，則會(hui)中毒(du)，影響正(zheng)常(chang)的消化(hua)。歷史(shi)上曾經從(cong)酢漿(jiang)草(cao)屬植物(wu)中會(hui)抽取草(cao)酸鈣結晶(jing)，用來治療疾病及作為食鹽。
歲月靜好 
