蘄艾(學名(ming):ArtemisiaargyiLevl.etVan.var.argyicv.Qiai)又名(ming):大葉(xie)艾、祁(qi)艾等(deng),屬桔梗目,菊科多年生草本或略成半灌(guan)木(mu)狀,因產于蘄州而得名(ming),蘄春縣(xian)“蘄春四寶”(蘄竹、蘄艾、蘄蛇、蘄龜)之(zhi)一,特產中藥(yao)材,中國國家(jia)地理(li)標志產品,莖、葉(xie)均可入(ru)藥(yao)。蘄艾含17種已知化合物。蘄艾油有明顯的平(ping)喘、鎮咳、祛痰及清(qing)炎作用。
形態特征
多(duo)年生草(cao)本或(huo)(huo)(huo)(huo)(huo)(huo)略(lve)成(cheng)半(ban)灌木狀(zhuang)(zhuang)(zhuang),植株有(you)(you)濃烈(lie)香氣。主根明顯,略(lve)粗長(chang)(chang),直徑(jing)(jing)達1.5厘(li)(li)米(mi)(mi)(mi),側(ce)(ce)根多(duo);常(chang)有(you)(you)橫臥地下根狀(zhuang)(zhuang)(zhuang)莖(jing)及營養枝(zhi)。莖(jing)單生或(huo)(huo)(huo)(huo)(huo)(huo)少數(shu),高(gao)80-150(-250)厘(li)(li)米(mi)(mi)(mi),有(you)(you)明顯縱棱(leng),褐色(se)或(huo)(huo)(huo)(huo)(huo)(huo)灰黃褐色(se),基(ji)(ji)部(bu)稍(shao)木質(zhi)(zhi)化,上(shang)部(bu)草(cao)質(zhi)(zhi),并(bing)有(you)(you)少數(shu)短的(de)分枝(zhi),枝(zhi)長(chang)(chang)3-5厘(li)(li)米(mi)(mi)(mi);莖(jing)、枝(zhi)均被(bei)灰色(se)蛛(zhu)絲狀(zhuang)(zhuang)(zhuang)柔毛(mao)。葉(xie)(xie)(xie)厚紙(zhi)質(zhi)(zhi),上(shang)面(mian)(mian)(mian)被(bei)灰白(bai)色(se)短柔毛(mao),并(bing)有(you)(you)白(bai)色(se)腺(xian)點與(yu)小凹點,背(bei)(bei)面(mian)(mian)(mian)密(mi)被(bei)灰白(bai)色(se)蛛(zhu)絲狀(zhuang)(zhuang)(zhuang)密(mi)絨(rong)毛(mao);基(ji)(ji)生葉(xie)(xie)(xie)具長(chang)(chang)柄(bing)(bing),花期萎謝;莖(jing)下部(bu)葉(xie)(xie)(xie)近(jin)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)寬(kuan)卵(luan)(luan)形(xing)(xing)(xing),羽(yu)狀(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie),每(mei)側(ce)(ce)具裂(lie)(lie)片(pian)(pian)(pian)(pian)2-3枚(mei)(mei),裂(lie)(lie)片(pian)(pian)(pian)(pian)橢(tuo)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)倒卵(luan)(luan)狀(zhuang)(zhuang)(zhuang)長(chang)(chang)橢(tuo)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing),每(mei)裂(lie)(lie)片(pian)(pian)(pian)(pian)有(you)(you)2-3枚(mei)(mei)小裂(lie)(lie)齒,干后背(bei)(bei)面(mian)(mian)(mian)主、側(ce)(ce)脈多(duo)為深(shen)褐色(se)或(huo)(huo)(huo)(huo)(huo)(huo)銹色(se),葉(xie)(xie)(xie)柄(bing)(bing)長(chang)(chang)0.5-0.8厘(li)(li)米(mi)(mi)(mi);中部(bu)葉(xie)(xie)(xie)卵(luan)(luan)形(xing)(xing)(xing)、三角狀(zhuang)(zhuang)(zhuang)卵(luan)(luan)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)近(jin)菱形(xing)(xing)(xing),長(chang)(chang)5-8厘(li)(li)米(mi)(mi)(mi),寬(kuan)4-7厘(li)(li)米(mi)(mi)(mi),一(至二)回羽(yu)狀(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie)至半(ban)裂(lie)(lie),每(mei)側(ce)(ce)裂(lie)(lie)片(pian)(pian)(pian)(pian)2-3枚(mei)(mei),裂(lie)(lie)片(pian)(pian)(pian)(pian)卵(luan)(luan)形(xing)(xing)(xing)、卵(luan)(luan)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)披針(zhen)形(xing)(xing)(xing),長(chang)(chang)2.5-5厘(li)(li)米(mi)(mi)(mi),寬(kuan)1.5-2厘(li)(li)米(mi)(mi)(mi),不再(zai)分裂(lie)(lie)或(huo)(huo)(huo)(huo)(huo)(huo)每(mei)側(ce)(ce)有(you)(you)1-2枚(mei)(mei)缺齒,葉(xie)(xie)(xie)基(ji)(ji)部(bu)寬(kuan)楔形(xing)(xing)(xing)漸狹成(cheng)短柄(bing)(bing),葉(xie)(xie)(xie)脈明顯,在背(bei)(bei)面(mian)(mian)(mian)凸(tu)起,干時銹色(se),葉(xie)(xie)(xie)柄(bing)(bing)長(chang)(chang)0.2-0.5厘(li)(li)米(mi)(mi)(mi),基(ji)(ji)部(bu)通常(chang)無(wu)假托葉(xie)(xie)(xie)或(huo)(huo)(huo)(huo)(huo)(huo)極小的(de)假托葉(xie)(xie)(xie);上(shang)部(bu)葉(xie)(xie)(xie)與(yu)苞(bao)(bao)片(pian)(pian)(pian)(pian)葉(xie)(xie)(xie)羽(yu)狀(zhuang)(zhuang)(zhuang)半(ban)裂(lie)(lie)、淺裂(lie)(lie)或(huo)(huo)(huo)(huo)(huo)(huo)3深(shen)裂(lie)(lie)或(huo)(huo)(huo)(huo)(huo)(huo)3淺裂(lie)(lie),或(huo)(huo)(huo)(huo)(huo)(huo)不分裂(lie)(lie),而為橢(tuo)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)、長(chang)(chang)橢(tuo)圓(yuan)(yuan)(yuan)(yuan)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)、披針(zhen)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)線(xian)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)。頭狀(zhuang)(zhuang)(zhuang)花序(xu)(xu)橢(tuo)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing),直徑(jing)(jing)2.5-3(-3.5)毫(hao)米(mi)(mi)(mi),無(wu)梗(geng)或(huo)(huo)(huo)(huo)(huo)(huo)近(jin)無(wu)梗(geng),每(mei)數(shu)枚(mei)(mei)至10余枚(mei)(mei)在分枝(zhi)上(shang)排(pai)成(cheng)小型的(de)穗狀(zhuang)(zhuang)(zhuang)花序(xu)(xu)或(huo)(huo)(huo)(huo)(huo)(huo)復(fu)穗狀(zhuang)(zhuang)(zhuang)花序(xu)(xu),并(bing)在莖(jing)上(shang)通常(chang)再(zai)組成(cheng)狹窄、尖(jian)(jian)塔形(xing)(xing)(xing)的(de)圓(yuan)(yuan)(yuan)(yuan)錐花序(xu)(xu),花后頭狀(zhuang)(zhuang)(zhuang)花序(xu)(xu)下傾(qing);總(zong)苞(bao)(bao)片(pian)(pian)(pian)(pian)3-4層(ceng),覆瓦狀(zhuang)(zhuang)(zhuang)排(pai)列,外(wai)(wai)層(ceng)總(zong)苞(bao)(bao)片(pian)(pian)(pian)(pian)小,草(cao)質(zhi)(zhi),卵(luan)(luan)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)狹卵(luan)(luan)形(xing)(xing)(xing),背(bei)(bei)面(mian)(mian)(mian)密(mi)被(bei)灰白(bai)色(se)蛛(zhu)絲狀(zhuang)(zhuang)(zhuang)綿(mian)毛(mao),邊(bian)緣(yuan)膜質(zhi)(zhi),中層(ceng)總(zong)苞(bao)(bao)片(pian)(pian)(pian)(pian)較(jiao)外(wai)(wai)層(ceng)長(chang)(chang),長(chang)(chang)卵(luan)(luan)形(xing)(xing)(xing),背(bei)(bei)面(mian)(mian)(mian)被(bei)蛛(zhu)絲狀(zhuang)(zhuang)(zhuang)綿(mian)毛(mao),內層(ceng)總(zong)苞(bao)(bao)片(pian)(pian)(pian)(pian)質(zhi)(zhi)薄(bo),背(bei)(bei)面(mian)(mian)(mian)近(jin)無(wu)毛(mao);花序(xu)(xu)托小;雌花6-10朵,花冠(guan)狹管狀(zhuang)(zhuang)(zhuang),檐部(bu)具2裂(lie)(lie)齒,紫色(se),花柱細(xi)長(chang)(chang),伸出花冠(guan)外(wai)(wai)甚長(chang)(chang),先(xian)端(duan)2叉(cha);兩性花8-12朵,花冠(guan)管狀(zhuang)(zhuang)(zhuang)或(huo)(huo)(huo)(huo)(huo)(huo)高(gao)腳杯狀(zhuang)(zhuang)(zhuang),外(wai)(wai)面(mian)(mian)(mian)有(you)(you)腺(xian)點,檐部(bu)紫色(se),花藥狹線(xian)形(xing)(xing)(xing),先(xian)端(duan)附屬物尖(jian)(jian),長(chang)(chang)三角形(xing)(xing)(xing),基(ji)(ji)部(bu)有(you)(you)不明顯的(de)小尖(jian)(jian)頭,花柱與(yu)花冠(guan)近(jin)等長(chang)(chang)或(huo)(huo)(huo)(huo)(huo)(huo)略(lve)長(chang)(chang)于(yu)花冠(guan),先(xian)端(duan)2叉(cha),花后向(xiang)外(wai)(wai)彎(wan)曲,叉(cha)端(duan)截形(xing)(xing)(xing),并(bing)有(you)(you)睫毛(mao)。瘦果長(chang)(chang)卵(luan)(luan)形(xing)(xing)(xing)或(huo)(huo)(huo)(huo)(huo)(huo)長(chang)(chang)圓(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)。花果期7-10月。
生(sheng)長(chang)習(xi)性 蘄艾(ai)喜溫(wen)暖、濕潤的氣(qi)候,以潮(chao)濕肥沃的土壤(rang)生(sheng)長(chang)較好。人工栽(zai)培在丘陵、低中山地(di)區,生(sheng)長(chang)繁盛期24~30℃,氣(qi)溫(wen)高(gao)于30℃莖桿易(yi)老化,抽枝,病蟲害加重(zhong),冬季低溫(wen)小于-3℃當年生(sheng)宿根(gen)生(sheng)長(chang)不好。
地理分布
分布(bu)廣,除(chu)極干旱與高寒(han)地(di)(di)區(qu)外,幾(ji)遍及(ji)(ji)全中(zhong)國(guo)。生于低(di)海拔(ba)至(zhi)中(zhong)海拔(ba)地(di)(di)區(qu)的(de)(de)荒(huang)地(di)(di)、路旁河邊(bian)及(ji)(ji)山坡等地(di)(di),也(ye)(ye)見于森林草原(yuan)及(ji)(ji)草原(yuan)地(di)(di)區(qu),局部地(di)(di)區(qu)為植物群落的(de)(de)優(you)勢種。蒙古、朝鮮(xian)、蘇聯(遠東地(di)(di)區(qu))也(ye)(ye)有。日本有栽培。
選地整地
蘄艾極易繁(fan)衍(yan)生(sheng)(sheng)長,對氣候和(he)土(tu)(tu)(tu)(tu)壤(rang)的適應(ying)(ying)(ying)(ying)性(xing)較強(qiang),耐(nai)寒耐(nai)旱,田邊、地頭、山坡、荒地均(jun)可(ke)選(xuan)擇為(wei)種(zhong)植(zhi)(zhi)地。蘄艾的適應(ying)(ying)(ying)(ying)性(xing)很強(qiang),為(wei)了(le)節約(yue)土(tu)(tu)(tu)(tu)地資(zi)源,應(ying)(ying)(ying)(ying)選(xuan)擇丘(qiu)陵等(deng)進行(xing)合(he)理布局;基(ji)地應(ying)(ying)(ying)(ying)有灌(guan)溉水(shui)(shui)條件,附近(jin)無(wu)居民生(sheng)(sheng)活(huo)水(shui)(shui)和(he)工業水(shui)(shui)污染;基(ji)地土(tu)(tu)(tu)(tu)壤(rang)、大氣質量應(ying)(ying)(ying)(ying)符(fu)合(he)國(guo)家級(ji)二標(biao)準,生(sheng)(sheng)產用水(shui)(shui)應(ying)(ying)(ying)(ying)符(fu)合(he)農(nong)田灌(guan)溉水(shui)(shui)質標(biao)準,土(tu)(tu)(tu)(tu)壤(rang)應(ying)(ying)(ying)(ying)無(wu)有毒有害藥物(wu)殘留和(he)人畜糞便(bian)、生(sheng)(sheng)活(huo)垃圾污染,并(bing)按規定(ding)定(ding)期進行(xing)檢測。以土(tu)(tu)(tu)(tu)層深(shen)厚、土(tu)(tu)(tu)(tu)壤(rang)通透性(xing)好、有機質豐富的中(zhong)性(xing)土(tu)(tu)(tu)(tu)壤(rang)為(wei)好。根(gen)據種(zhong)植(zhi)(zhi)地土(tu)(tu)(tu)(tu)層結(jie)構特點(dian),適度掌(zhang)握犁耙次數,結(jie)合(he)整地施足經充分(fen)腐熟達到無(wu)公害化的土(tu)(tu)(tu)(tu)雜(za)肥22.5~30.0t/hm ,均(jun)勻混(hun)合(he)翻入(ru)土(tu)(tu)(tu)(tu)層,然(ran)后修溝做(zuo)廂(xiang)待種(zhong)。
繁殖方法
蘄艾(ai)的繁(fan)殖(zhi)方(fang)法有種子繁(fan)殖(zhi)、根狀(zhuang)莖(jing)繁(fan)殖(zhi)、分(fen)株(zhu)繁(fan)殖(zhi)。種子繁(fan)殖(zhi)出芽(ya)率(lv)低,僅為(wei)5%,且(qie)苗(miao)(miao)期(qi)(qi)長(2年(nian)),一般不(bu)采(cai)用(yong);根狀(zhuang)莖(jing)繁(fan)殖(zhi),成(cheng)活率(lv)高(gao),但苗(miao)(miao)期(qi)(qi)較長(2個月);分(fen)株(zhu)繁(fan)殖(zhi)最好,不(bu)僅成(cheng)活率(lv)高(gao)且(qie)無幼苗(miao)(miao)生長期(qi)(qi),繁(fan)殖(zhi)速(su)度快,為(wei)普遍采(cai)用(yong)。選育(yu)良種要求(qiu)葉(xie)片肥厚而大,莖(jing)桿粗(cu)壯(zhuang)直立,葉(xie)色濃綠,氣(qi)味(wei)濃郁,密被絨毛(mao),幼苗(miao)(miao)根系發(fa)達。
栽植密度
2-3月,苗高5~10cm,選地面潮濕(最好是(shi)雨后或陰天)時,從(cong)母株(zhu)(zhu)莖基分離的幼(you)苗,按株(zhu)(zhu)行距30cm×40cm栽(zai)苗,每穴2~3株(zhu)(zhu),覆(fu)土壓實。栽(zai)后2~3d內如果(guo)沒有下雨,要滴水保墑(di)。栽(zai)植150株(zhu)(zhu)/m ,平均每株(zhu)(zhu)產(chan)干艾(ai)葉4g,單產(chan)干艾(ai)葉5250kg/hm 左右。