蘄(qi)(qi)艾(學名:ArtemisiaargyiLevl.etVan.var.argyicv.Qiai)又名:大葉(xie)艾、祁艾等,屬(shu)桔梗目,菊科多年生(sheng)草本(ben)或略成半灌木(mu)狀,因產(chan)于(yu)蘄(qi)(qi)州而得名,蘄(qi)(qi)春縣“蘄(qi)(qi)春四(si)寶”(蘄(qi)(qi)竹(zhu)、蘄(qi)(qi)艾、蘄(qi)(qi)蛇、蘄(qi)(qi)龜)之一,特產(chan)中藥(yao)材,中國(guo)國(guo)家地理(li)標志產(chan)品,莖、葉(xie)均可入藥(yao)。蘄(qi)(qi)艾含(han)17種(zhong)已知化合物。蘄(qi)(qi)艾油有明顯(xian)的平喘、鎮(zhen)咳、祛痰及清炎作用(yong)。
形態特征
多(duo)(duo)年生(sheng)草(cao)本或(huo)(huo)(huo)略(lve)(lve)成半(ban)灌木狀(zhuang)(zhuang)(zhuang),植(zhi)株有(you)濃烈(lie)香氣。主(zhu)根(gen)明(ming)顯(xian),略(lve)(lve)粗長(chang)(chang),直徑達1.5厘(li)米(mi)(mi)(mi)(mi),側(ce)根(gen)多(duo)(duo);常有(you)橫臥地(di)下根(gen)狀(zhuang)(zhuang)(zhuang)莖及(ji)營養枝(zhi)。莖單生(sheng)或(huo)(huo)(huo)少(shao)數(shu),高(gao)80-150(-250)厘(li)米(mi)(mi)(mi)(mi),有(you)明(ming)顯(xian)縱棱,褐(he)色(se)(se)(se)或(huo)(huo)(huo)灰黃褐(he)色(se)(se)(se),基(ji)(ji)部(bu)(bu)稍木質化(hua),上(shang)(shang)部(bu)(bu)草(cao)質,并(bing)有(you)少(shao)數(shu)短的(de)(de)分(fen)(fen)(fen)枝(zhi),枝(zhi)長(chang)(chang)3-5厘(li)米(mi)(mi)(mi)(mi);莖、枝(zhi)均被灰色(se)(se)(se)蛛(zhu)絲(si)狀(zhuang)(zhuang)(zhuang)柔毛(mao)(mao)(mao)(mao)。葉(xie)(xie)(xie)厚紙質,上(shang)(shang)面被灰白(bai)色(se)(se)(se)短柔毛(mao)(mao)(mao)(mao),并(bing)有(you)白(bai)色(se)(se)(se)腺點與(yu)小(xiao)(xiao)凹點,背面密被灰白(bai)色(se)(se)(se)蛛(zhu)絲(si)狀(zhuang)(zhuang)(zhuang)密絨(rong)毛(mao)(mao)(mao)(mao);基(ji)(ji)生(sheng)葉(xie)(xie)(xie)具長(chang)(chang)柄,花(hua)(hua)(hua)期萎謝;莖下部(bu)(bu)葉(xie)(xie)(xie)近(jin)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)寬(kuan)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing),羽狀(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie)(lie)(lie),每側(ce)具裂(lie)(lie)(lie)(lie)片(pian)(pian)2-3枚(mei)(mei)(mei)(mei),裂(lie)(lie)(lie)(lie)片(pian)(pian)橢(tuo)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)倒卵(luan)(luan)(luan)狀(zhuang)(zhuang)(zhuang)長(chang)(chang)橢(tuo)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing),每裂(lie)(lie)(lie)(lie)片(pian)(pian)有(you)2-3枚(mei)(mei)(mei)(mei)小(xiao)(xiao)裂(lie)(lie)(lie)(lie)齒(chi)(chi),干后背面主(zhu)、側(ce)脈多(duo)(duo)為(wei)深(shen)褐(he)色(se)(se)(se)或(huo)(huo)(huo)銹(xiu)(xiu)色(se)(se)(se),葉(xie)(xie)(xie)柄長(chang)(chang)0.5-0.8厘(li)米(mi)(mi)(mi)(mi);中部(bu)(bu)葉(xie)(xie)(xie)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing)、三角狀(zhuang)(zhuang)(zhuang)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)近(jin)菱形(xing)(xing)(xing)(xing)(xing)(xing),長(chang)(chang)5-8厘(li)米(mi)(mi)(mi)(mi),寬(kuan)4-7厘(li)米(mi)(mi)(mi)(mi),一(yi)(至(zhi)二)回羽狀(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie)(lie)(lie)至(zhi)半(ban)裂(lie)(lie)(lie)(lie),每側(ce)裂(lie)(lie)(lie)(lie)片(pian)(pian)2-3枚(mei)(mei)(mei)(mei),裂(lie)(lie)(lie)(lie)片(pian)(pian)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing)、卵(luan)(luan)(luan)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)披針(zhen)形(xing)(xing)(xing)(xing)(xing)(xing),長(chang)(chang)2.5-5厘(li)米(mi)(mi)(mi)(mi),寬(kuan)1.5-2厘(li)米(mi)(mi)(mi)(mi),不(bu)再分(fen)(fen)(fen)裂(lie)(lie)(lie)(lie)或(huo)(huo)(huo)每側(ce)有(you)1-2枚(mei)(mei)(mei)(mei)缺齒(chi)(chi),葉(xie)(xie)(xie)基(ji)(ji)部(bu)(bu)寬(kuan)楔形(xing)(xing)(xing)(xing)(xing)(xing)漸狹成短柄,葉(xie)(xie)(xie)脈明(ming)顯(xian),在(zai)背面凸起,干時(shi)銹(xiu)(xiu)色(se)(se)(se),葉(xie)(xie)(xie)柄長(chang)(chang)0.2-0.5厘(li)米(mi)(mi)(mi)(mi),基(ji)(ji)部(bu)(bu)通常無假托(tuo)葉(xie)(xie)(xie)或(huo)(huo)(huo)極小(xiao)(xiao)的(de)(de)假托(tuo)葉(xie)(xie)(xie);上(shang)(shang)部(bu)(bu)葉(xie)(xie)(xie)與(yu)苞(bao)(bao)片(pian)(pian)葉(xie)(xie)(xie)羽狀(zhuang)(zhuang)(zhuang)半(ban)裂(lie)(lie)(lie)(lie)、淺裂(lie)(lie)(lie)(lie)或(huo)(huo)(huo)3深(shen)裂(lie)(lie)(lie)(lie)或(huo)(huo)(huo)3淺裂(lie)(lie)(lie)(lie),或(huo)(huo)(huo)不(bu)分(fen)(fen)(fen)裂(lie)(lie)(lie)(lie),而(er)為(wei)橢(tuo)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing)、長(chang)(chang)橢(tuo)圓(yuan)(yuan)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)、披針(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)線(xian)狀(zhuang)(zhuang)(zhuang)披針(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)。頭狀(zhuang)(zhuang)(zhuang)花(hua)(hua)(hua)序(xu)(xu)(xu)橢(tuo)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing),直徑2.5-3(-3.5)毫米(mi)(mi)(mi)(mi),無梗或(huo)(huo)(huo)近(jin)無梗,每數(shu)枚(mei)(mei)(mei)(mei)至(zhi)10余枚(mei)(mei)(mei)(mei)在(zai)分(fen)(fen)(fen)枝(zhi)上(shang)(shang)排成小(xiao)(xiao)型的(de)(de)穗狀(zhuang)(zhuang)(zhuang)花(hua)(hua)(hua)序(xu)(xu)(xu)或(huo)(huo)(huo)復(fu)穗狀(zhuang)(zhuang)(zhuang)花(hua)(hua)(hua)序(xu)(xu)(xu),并(bing)在(zai)莖上(shang)(shang)通常再組成狹窄(zhai)、尖塔形(xing)(xing)(xing)(xing)(xing)(xing)的(de)(de)圓(yuan)(yuan)錐花(hua)(hua)(hua)序(xu)(xu)(xu),花(hua)(hua)(hua)后頭狀(zhuang)(zhuang)(zhuang)花(hua)(hua)(hua)序(xu)(xu)(xu)下傾;總(zong)(zong)(zong)苞(bao)(bao)片(pian)(pian)3-4層(ceng)(ceng)(ceng)(ceng),覆瓦狀(zhuang)(zhuang)(zhuang)排列,外層(ceng)(ceng)(ceng)(ceng)總(zong)(zong)(zong)苞(bao)(bao)片(pian)(pian)小(xiao)(xiao),草(cao)質,卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)狹卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing),背面密被灰白(bai)色(se)(se)(se)蛛(zhu)絲(si)狀(zhuang)(zhuang)(zhuang)綿毛(mao)(mao)(mao)(mao),邊緣膜質,中層(ceng)(ceng)(ceng)(ceng)總(zong)(zong)(zong)苞(bao)(bao)片(pian)(pian)較外層(ceng)(ceng)(ceng)(ceng)長(chang)(chang),長(chang)(chang)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing),背面被蛛(zhu)絲(si)狀(zhuang)(zhuang)(zhuang)綿毛(mao)(mao)(mao)(mao),內層(ceng)(ceng)(ceng)(ceng)總(zong)(zong)(zong)苞(bao)(bao)片(pian)(pian)質薄,背面近(jin)無毛(mao)(mao)(mao)(mao);花(hua)(hua)(hua)序(xu)(xu)(xu)托(tuo)小(xiao)(xiao);雌花(hua)(hua)(hua)6-10朵,花(hua)(hua)(hua)冠(guan)狹管狀(zhuang)(zhuang)(zhuang),檐部(bu)(bu)具2裂(lie)(lie)(lie)(lie)齒(chi)(chi),紫色(se)(se)(se),花(hua)(hua)(hua)柱(zhu)細長(chang)(chang),伸(shen)出花(hua)(hua)(hua)冠(guan)外甚長(chang)(chang),先(xian)(xian)端2叉;兩(liang)性花(hua)(hua)(hua)8-12朵,花(hua)(hua)(hua)冠(guan)管狀(zhuang)(zhuang)(zhuang)或(huo)(huo)(huo)高(gao)腳杯(bei)狀(zhuang)(zhuang)(zhuang),外面有(you)腺點,檐部(bu)(bu)紫色(se)(se)(se),花(hua)(hua)(hua)藥狹線(xian)形(xing)(xing)(xing)(xing)(xing)(xing),先(xian)(xian)端附屬(shu)物(wu)尖,長(chang)(chang)三角形(xing)(xing)(xing)(xing)(xing)(xing),基(ji)(ji)部(bu)(bu)有(you)不(bu)明(ming)顯(xian)的(de)(de)小(xiao)(xiao)尖頭,花(hua)(hua)(hua)柱(zhu)與(yu)花(hua)(hua)(hua)冠(guan)近(jin)等長(chang)(chang)或(huo)(huo)(huo)略(lve)(lve)長(chang)(chang)于(yu)花(hua)(hua)(hua)冠(guan),先(xian)(xian)端2叉,花(hua)(hua)(hua)后向外彎曲,叉端截形(xing)(xing)(xing)(xing)(xing)(xing),并(bing)有(you)睫毛(mao)(mao)(mao)(mao)。瘦果長(chang)(chang)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)長(chang)(chang)圓(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)(xing)。花(hua)(hua)(hua)果期7-10月(yue)。
生長(chang)習(xi)性 蘄艾(ai)喜溫(wen)暖、濕潤的氣候(hou),以潮濕肥(fei)沃的土壤(rang)生長(chang)較好。人工栽(zai)培在(zai)丘陵(ling)、低(di)中山(shan)地區,生長(chang)繁(fan)盛期24~30℃,氣溫(wen)高于30℃莖桿(gan)易(yi)老(lao)化,抽枝,病蟲害加(jia)重(zhong),冬季低(di)溫(wen)小于-3℃當(dang)年生宿根生長(chang)不好。
地理分布
分布廣,除極干(gan)旱(han)與高寒(han)地區外,幾遍及全中(zhong)國。生于(yu)低(di)海(hai)拔至中(zhong)海(hai)拔地區的(de)荒(huang)地、路(lu)旁(pang)河(he)邊(bian)及山坡等地,也見于(yu)森林(lin)草(cao)原(yuan)及草(cao)原(yuan)地區,局部地區為植物(wu)群落的(de)優勢種。蒙古、朝(chao)鮮(xian)、蘇聯(遠東(dong)地區)也有。日本有栽(zai)培。
選地整地
蘄艾(ai)極易(yi)繁衍生長,對氣候和(he)土(tu)(tu)(tu)壤(rang)的適應(ying)性(xing)較強(qiang),耐(nai)寒耐(nai)旱(han),田邊、地(di)(di)頭、山坡、荒地(di)(di)均(jun)可(ke)選擇為(wei)(wei)種(zhong)植(zhi)地(di)(di)。蘄艾(ai)的適應(ying)性(xing)很強(qiang),為(wei)(wei)了節約土(tu)(tu)(tu)地(di)(di)資(zi)源,應(ying)選擇丘陵(ling)等進(jin)行合(he)理(li)布局(ju);基地(di)(di)應(ying)有(you)灌溉(gai)水條件,附近無居民生活(huo)水和(he)工業水污染;基地(di)(di)土(tu)(tu)(tu)壤(rang)、大氣質量(liang)應(ying)符合(he)國(guo)家級二標(biao)(biao)準(zhun),生產用水應(ying)符合(he)農田灌溉(gai)水質標(biao)(biao)準(zhun),土(tu)(tu)(tu)壤(rang)應(ying)無有(you)毒有(you)害(hai)藥(yao)物殘(can)留和(he)人畜糞(fen)便、生活(huo)垃圾污染,并按規定定期進(jin)行檢測。以土(tu)(tu)(tu)層深厚、土(tu)(tu)(tu)壤(rang)通透性(xing)好、有(you)機(ji)質豐富的中(zhong)性(xing)土(tu)(tu)(tu)壤(rang)為(wei)(wei)好。根據種(zhong)植(zhi)地(di)(di)土(tu)(tu)(tu)層結構(gou)特點,適度(du)掌(zhang)握犁耙次數,結合(he)整地(di)(di)施足經充分腐熟達到(dao)無公(gong)害(hai)化(hua)的土(tu)(tu)(tu)雜肥22.5~30.0t/hm ,均(jun)勻混合(he)翻入土(tu)(tu)(tu)層,然后修溝做廂待種(zhong)。
繁殖方法
蘄艾(ai)的繁(fan)殖(zhi)(zhi)方法有種子繁(fan)殖(zhi)(zhi)、根狀莖繁(fan)殖(zhi)(zhi)、分(fen)株繁(fan)殖(zhi)(zhi)。種子繁(fan)殖(zhi)(zhi)出芽率低,僅為5%,且苗(miao)期長(chang)(2年),一般不(bu)采用(yong);根狀莖繁(fan)殖(zhi)(zhi),成活(huo)率高(gao),但苗(miao)期較(jiao)長(chang)(2個月);分(fen)株繁(fan)殖(zhi)(zhi)最好(hao),不(bu)僅成活(huo)率高(gao)且無幼苗(miao)生長(chang)期,繁(fan)殖(zhi)(zhi)速度快,為普遍采用(yong)。選(xuan)育(yu)良種要求(qiu)葉片肥厚而大,莖桿粗壯直立(li),葉色濃綠,氣味濃郁,密被絨毛,幼苗(miao)根系(xi)發達。
栽植密度
2-3月(yue),苗高5~10cm,選地面(mian)潮濕(最(zui)好是雨(yu)后或陰天)時(shi),從母株(zhu)(zhu)莖基分離的幼苗,按株(zhu)(zhu)行(xing)距30cm×40cm栽(zai)(zai)(zai)苗,每穴2~3株(zhu)(zhu),覆土壓實。栽(zai)(zai)(zai)后2~3d內如果沒有下雨(yu),要滴水(shui)保墑。栽(zai)(zai)(zai)植150株(zhu)(zhu)/m ,平均(jun)每株(zhu)(zhu)產干(gan)艾(ai)葉4g,單產干(gan)艾(ai)葉5250kg/hm 左右。