株高約(yue)1米;根(gen)莖圓(yuan)柱形(xing)(xing),肉質,具樟腦般香(xiang)味,淡黃色或(huo)白(bai)色;根(gen)細長(chang)或(huo)末端(duan)膨(peng)大(da)成塊根(gen)。葉(xie)直立,橢圓(yuan)狀(zhuang)(zhuang)長(chang)圓(yuan)形(xing)(xing)至長(chang)圓(yuan)狀(zhuang)(zhuang)披針(zhen)形(xing)(xing),長(chang)25-35(60)厘米,寬10-15厘米,中部常(chang)有紫(zi)斑,無毛;葉(xie)柄(bing)較葉(xie)片為(wei)長(chang)。
花(hua)葶由根莖單獨發出,常先葉而(er)生,長(chang)(chang)10-20厘(li)(li)米,被疏松、細(xi)長(chang)(chang)的鱗(lin)片(pian)狀鞘數枚;穗狀花(hua)序闊橢圓(yuan)形,長(chang)(chang)10-18厘(li)(li)米,寬5-8厘(li)(li)米;苞片(pian)卵(luan)形至(zhi)倒(dao)卵(luan)形,稍開(kai)展,頂(ding)端(duan)鈍,下(xia)部的綠色,頂(ding)端(duan)紅色,上部的較長(chang)(chang)而(er)紫色;花(hua)萼長(chang)(chang)1-1.2厘(li)(li)米,白色,頂(ding)端(duan)3裂;花(hua)冠管長(chang)(chang)2-2.5厘(li)(li)米,裂片(pian)長(chang)(chang)圓(yuan)形,黃(huang)色,不相等,后方的1片(pian)較大,長(chang)(chang)1.5-2厘(li)(li)米,頂(ding)端(duan)具(ju)小尖(jian)頭;側生退化雄(xiong)蕊比(bi)唇瓣(ban)小;唇瓣(ban)黃(huang)色,近倒(dao)卵(luan)形,長(chang)(chang)約2厘(li)(li)米,寬1.2-1.5厘(li)(li)米,頂(ding)端(duan)微缺;花(hua)藥長(chang)(chang)約4毫米,藥隔基部具(ju)叉(cha)開(kai)的距;子(zi)房無(wu)毛。花(hua)期:4-6月。
栽培(pei)于野生林蔭下(xia)。
產中國臺灣、福(fu)建(jian)、江西、廣(guang)東(dong)、廣(guang)西、四(si)川、云(yun)南、安(an)徽等省區(qu);印度至馬來西亞亦(yi)有分布。 ?
根莖稱(cheng)“莪術(shu)”,供藥(yao)用(yong),主(zhu)治“氣血凝滯,心腹脹痛(tong),癥瘕(jia),積(ji)聚,宿食不(bu)消,婦(fu)女血瘀經閉,跌打損傷作痛(tong)。”塊根稱(cheng)“綠絲郁(yu)金”,有行氣解郁(yu),破瘀,止痛(tong)的(de)功用(yong)。
根莖(jing)的選(xuan)擇:冬季收獲時選(xuan)擇健(jian)壯飽(bao)滿的當年新生根莖(jing)貯藏做(zuo)種。栽植前(qian)將種栽取出曬1~2天,除去(qu)須根,大(da)小(xiao)分開。大(da)的縱切數塊,每塊有芽(ya)1~2個,切后稍晾使傷口愈(yu)合,或用草木灰涂抹傷口。
栽種(zhong)期:栽植時期因(yin)品種(zhong)和地區不同而異。溫郁金(溫莪(e)術(shu))為4月上、中旬(xun),莪(e)術(shu)于5~6月中下旬(xun)為宜。
栽(zai)種(zhong)(zhong)方法:在(zai)整好的(de)畦(qi)內按(an)行(xing)(xing)株距30厘(li)(li)(li)米(mi)(mi)(mi)×20~25厘(li)(li)(li)米(mi)(mi)(mi)挖穴(xue)(xue),穴(xue)(xue)深6~9厘(li)(li)(li)米(mi)(mi)(mi),每(mei)(mei)穴(xue)(xue)內大根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)放1塊,小(xiao)(xiao)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)放2塊,芽(ya)(ya)(ya)頭(tou)(tou)(tou)(tou)向上(shang)(shang)栽(zai)入穴(xue)(xue)內。栽(zai)后覆(fu)(fu)土(tu)(tu)6厘(li)(li)(li)米(mi)(mi)(mi)并稍加(jia)鎮壓,每(mei)(mei)畝用(yong)(yong)種(zhong)(zhong)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)100千(qian)克(ke)左右。另外(wai),為提高土(tu)(tu)地效(xiao)益,主產區多采(cai)用(yong)(yong)與玉米(mi)(mi)(mi)、大豆等間(jian)套作(zuo)的(de)方式。玉米(mi)(mi)(mi)和(he)大豆可(ke)(ke)于3月末、4月初穴(xue)(xue)播(bo)于畦(qi)溝內或畦(qi)上(shang)(shang),行(xing)(xing)株距應適當(dang)加(jia)大,6月中(zhong)下(xia)旬將莪術(shu)間(jian)套種(zhong)(zhong)于玉米(mi)(mi)(mi)行(xing)(xing)間(jian)和(he)株間(jian),行(xing)(xing)距33厘(li)(li)(li)米(mi)(mi)(mi),挖7厘(li)(li)(li)米(mi)(mi)(mi)深穴(xue)(xue),呈三(san)(san)(san)角(jiao)形排列,每(mei)(mei)穴(xue)(xue)放種(zhong)(zhong)5塊,四角(jiao)及中(zhong)央各(ge)1塊,芽(ya)(ya)(ya)頭(tou)(tou)(tou)(tou)向上(shang)(shang),上(shang)(shang)面用(yong)(yong)細土(tu)(tu)或堆肥覆(fu)(fu)蓋,每(mei)(mei)畝需種(zhong)(zhong)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)150千(qian)克(ke)左右,將溫郁金(jin)(溫莪術(shu))根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)分(fen)成(cheng)老頭(tou)(tou)(tou)(tou)、大頭(tou)(tou)(tou)(tou)、二(er)(er)頭(tou)(tou)(tou)(tou)、三(san)(san)(san)頭(tou)(tou)(tou)(tou)、奶頭(tou)(tou)(tou)(tou)、小(xiao)(xiao)奶頭(tou)(tou)(tou)(tou)等六類。老頭(tou)(tou)(tou)(tou)即是母(mu)種(zhong)(zhong)第一次(ci)(ci)生出(chu)來的(de)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing);大頭(tou)(tou)(tou)(tou)是生在(zai)老頭(tou)(tou)(tou)(tou)上(shang)(shang)的(de)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing);二(er)(er)頭(tou)(tou)(tou)(tou)是生在(zai)大頭(tou)(tou)(tou)(tou)上(shang)(shang)的(de)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing);三(san)(san)(san)頭(tou)(tou)(tou)(tou)是生在(zai)二(er)(er)頭(tou)(tou)(tou)(tou)上(shang)(shang)的(de)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing);奶頭(tou)(tou)(tou)(tou)、小(xiao)(xiao)奶頭(tou)(tou)(tou)(tou)依次(ci)(ci)類推。除老頭(tou)(tou)(tou)(tou)不(bu)(bu)能作(zuo)種(zhong)(zhong)外(wai),其(qi)余均可(ke)(ke)采(cai)用(yong)(yong)。但(dan)大頭(tou)(tou)(tou)(tou)作(zuo)種(zhong)(zhong),用(yong)(yong)量大,成(cheng)本(ben)高;小(xiao)(xiao)奶頭(tou)(tou)(tou)(tou)個小(xiao)(xiao),生長弱。故這兩類在(zai)生產中(zhong)不(bu)(bu)作(zuo)種(zhong)(zhong)用(yong)(yong)。一般應選健(jian)壯,芽(ya)(ya)(ya)飽滿,形粗短(duan)的(de)二(er)(er)頭(tou)(tou)(tou)(tou)、三(san)(san)(san)頭(tou)(tou)(tou)(tou)作(zuo)種(zhong)(zhong),作(zuo)種(zhong)(zhong)用(yong)(yong)的(de)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)愈短(duan)愈好。于清明前后下(xia)種(zhong)(zhong)。狹(xia)畦(qi)株距33厘(li)(li)(li)米(mi)(mi)(mi),種(zhong)(zhong)一單行(xing)(xing);闊畦(qi)按(an)株行(xing)(xing)距各(ge)50厘(li)(li)(li)米(mi)(mi)(mi),以三(san)(san)(san)角(jiao)形開穴(xue)(xue)種(zhong)(zhong)二(er)(er)行(xing)(xing)。穴(xue)(xue)大17~20厘(li)(li)(li)米(mi)(mi)(mi),深約7~10厘(li)(li)(li)米(mi)(mi)(mi),穴(xue)(xue)底要平,切忌過(guo)深而底尖,過(guo)深塊根(gen)(gen)(gen)(gen)分(fen)散,采(cai)收(shou)費工而不(bu)(bu)易收(shou)凈(jing)。每(mei)(mei)穴(xue)(xue)傾斜放根(gen)(gen)(gen)(gen)芽(ya)(ya)(ya)一個,芽(ya)(ya)(ya)向上(shang)(shang)。覆(fu)(fu)土(tu)(tu)3~7厘(li)(li)(li)米(mi)(mi)(mi)。每(mei)(mei)畝用(yong)(yong)根(gen)(gen)(gen)(gen)莖(jing)(jing)(jing)125~150千(qian)克(ke)。