形態特征
“雅(ya)連”,是三角葉(xie)(xie)黃連(C.deltoidea C.Y.Cheng et Hsiao)的(de)(de)干(gan)燥根(gen)莖(jing)。三角葉(xie)(xie)黃連,毛(mao)(mao)(mao)(mao)茛科(RANUNCULACEAE)黃連屬(Coptis Salisb.),根(gen)狀(zhuang)(zhuang)(zhuang)(zhuang)莖(jing)黃色(se),不分(fen)枝或少(shao)(shao)分(fen)枝,節間(jian)明顯,密生(sheng)多數細根(gen),具(ju)橫走的(de)(de)匍匐莖(jing)。葉(xie)(xie)3-11枚;葉(xie)(xie)片(pian)(pian)(pian)輪(lun)廓(kuo)卵(luan)形(xing)(xing),稍帶革質,長(chang)(chang)(chang)達16厘米(mi)(mi)(mi),寬(kuan)達15厘米(mi)(mi)(mi),三全(quan)裂(lie)(lie)(lie),裂(lie)(lie)(lie)片(pian)(pian)(pian)均具(ju)明顯的(de)(de)柄;中(zhong)央全(quan)裂(lie)(lie)(lie)片(pian)(pian)(pian)三角狀(zhuang)(zhuang)(zhuang)(zhuang)卵(luan)形(xing)(xing),長(chang)(chang)(chang)3-12厘米(mi)(mi)(mi),寬(kuan)3-10厘米(mi)(mi)(mi),頂(ding)端(duan)急尖或漸(jian)尖,4-6對羽(yu)狀(zhuang)(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie)(lie),深(shen)裂(lie)(lie)(lie)片(pian)(pian)(pian)彼此多少(shao)(shao)鄰(lin)接,邊(bian)緣(yuan)具(ju)極尖的(de)(de)鋸齒;側全(quan)裂(lie)(lie)(lie)片(pian)(pian)(pian)斜卵(luan)狀(zhuang)(zhuang)(zhuang)(zhuang)三角形(xing)(xing),長(chang)(chang)(chang)3-8厘米(mi)(mi)(mi),不等二裂(lie)(lie)(lie),表面沿脈(mo)被短柔毛(mao)(mao)(mao)(mao)或近(jin)(jin)無(wu)(wu)毛(mao)(mao)(mao)(mao),背面無(wu)(wu)毛(mao)(mao)(mao)(mao),兩(liang)面的(de)(de)葉(xie)(xie)脈(mo)均隆起;葉(xie)(xie)柄長(chang)(chang)(chang)6-18厘米(mi)(mi)(mi),無(wu)(wu)毛(mao)(mao)(mao)(mao)。花(hua)(hua)(hua)葶1-2,比葉(xie)(xie)稍長(chang)(chang)(chang);多歧聚傘(san)花(hua)(hua)(hua)序(xu),有(you)花(hua)(hua)(hua)4-8朵;苞片(pian)(pian)(pian)線狀(zhuang)(zhuang)(zhuang)(zhuang)披針形(xing)(xing),三深(shen)裂(lie)(lie)(lie)或櫛狀(zhuang)(zhuang)(zhuang)(zhuang)羽(yu)狀(zhuang)(zhuang)(zhuang)(zhuang)深(shen)裂(lie)(lie)(lie);萼(e)片(pian)(pian)(pian)黃綠色(se),狹卵(luan)形(xing)(xing),長(chang)(chang)(chang)8-12.5毫米(mi)(mi)(mi),寬(kuan)2-2.5毫米(mi)(mi)(mi),頂(ding)端(duan)漸(jian)尖;花(hua)(hua)(hua)瓣約10枚,近(jin)(jin)披針形(xing)(xing),長(chang)(chang)(chang)3-6毫米(mi)(mi)(mi),寬(kuan)0.7-1毫米(mi)(mi)(mi),頂(ding)端(duan)漸(jian)尖,中(zhong)部微變寬(kuan),具(ju)蜜(mi)槽;雄蕊(rui)約20,長(chang)(chang)(chang)僅(jin)為花(hua)(hua)(hua)瓣長(chang)(chang)(chang)的(de)(de)1/2左右;花(hua)(hua)(hua)藥黃色(se),花(hua)(hua)(hua)絲狹線形(xing)(xing);心皮9-12,花(hua)(hua)(hua)柱(zhu)微彎。蓇葖長(chang)(chang)(chang)圓(yuan)狀(zhuang)(zhuang)(zhuang)(zhuang)卵(luan)形(xing)(xing),長(chang)(chang)(chang)6-7毫米(mi)(mi)(mi),心皮柄長(chang)(chang)(chang)7-8毫米(mi)(mi)(mi),被微柔毛(mao)(mao)(mao)(mao)。3-4月開花(hua)(hua)(hua),4-6月結果。
特產四川峨眉及洪雅一帶(dai)。生海拔1600-2200米間的山(shan)地林下,常(chang)栽培,野生的已不多見(jian)。
生長環境
生海(hai)拔(ba)1600-2200米間(jian)的山地林下,常栽培(pei),野生的已不多見。
主要價值
中(zhong)國(guo)國(guo)家地理(li)標志(zhi)產(chan)品,為(wei)(wei)(wei)中(zhong)國(guo)四川省洪(hong)(hong)雅(ya)(ya)縣、峨嵋一(yi)(yi)帶特產(chan),由于對地理(li)條件要求非常(chang)苛刻,所(suo)以(yi)是中(zhong)草藥(yao)(yao)黃連(lian)中(zhong)的珍(zhen)品,藥(yao)(yao)效(xiao)為(wei)(wei)(wei)“味蓮”“雅(ya)(ya)連(lian)”“云連(lian)”三個(ge)品種(zhong)(zhong)中(zhong)之(zhi)最,歷(li)朝均將雅(ya)(ya)連(lian)作為(wei)(wei)(wei)貢品,上繳于朝廷太醫院(yuan),因此又稱為(wei)(wei)(wei)“貢連(lian)”。洪(hong)(hong)雅(ya)(ya)縣是中(zhong)國(guo)歷(li)史上貢連(lian)產(chan)區,據有(you)史可考(kao)已達(da)1300多年,洪(hong)(hong)雅(ya)(ya)縣將雅(ya)(ya)連(lian)馴(xun)化(hua)為(wei)(wei)(wei)家種(zhong)(zhong)連(lian)也達(da)500多年。《本草綱(gang)目》、《現代中(zhong)醫藥(yao)(yao)典》記(ji)載(zai),洪(hong)(hong)雅(ya)(ya)瓦屋山一(yi)(yi)帶種(zhong)(zhong)植的黃連(lian)為(wei)(wei)(wei)“雅(ya)(ya)連(lian)”或“川雅(ya)(ya)”,尤以(yi)高廟、瓦屋山等(deng)鄉(xiang)鎮的出產(chan)為(wei)(wei)(wei)正宗(zong),質量上乘(cheng),名響中(zhong)外(wai),暢銷(xiao)東南亞(ya)和非洲(zhou)等(deng)地,洪(hong)(hong)雅(ya)(ya)被譽為(wei)(wei)(wei)“雅(ya)(ya)連(lian)之(zhi)鄉(xiang)”。
藥材性狀
雅(ya)連(lian)(《本草從新》),又名:峨嵋連(lian)、嘉定(ding)連(lian)、刺(ci)蓋連(lian)。為植(zhi)物(wu)三(san)角葉黃連(lian)的干燥根(gen)(gen)莖。多為單枝,少有(you)分枝,略呈圓柱(zhu)形,微彎曲(qu)呈蠶狀,長約4~8厘米,直(zhi)徑(jing)約3~9毫米。外表褐色(se)或黃棕(zong)色(se),間(jian)斷橫紋多,結節(jie)明(ming)顯,有(you)多數(shu)須根(gen)(gen)殘(can)(can)痕、葉柄殘(can)(can)基及(ji)鱗片,“過(guo)江枝”較(jiao)味連(lian)為少。質堅實,斷面不(bu)齊,皮(pi)部暗棕(zong)色(se),木部深(shen)黃色(se),射線明(ming)顯,髓部時有(you)空心。無臭,味極苦(ku)。以條肥(fei)壯、連(lian)珠形、質堅實、斷面黃色(se)、無殘(can)(can)莖及(ji)須根(gen)(gen)者為佳(jia)。
藥用特性
雅連含小檗堿、黃連堿、甲基黃連堿、掌(zhang)葉防己堿等(deng)生(sheng)物堿,可治(zhi)急(ji)性結膜(mo)炎、急(ji)性細菌性痢疾、急(ji)性腸胃炎、吐血、癰癤(jie)瘡(chuang)瘍等(deng)癥。
清熱燥濕(shi)功(gong)效:用于(yu)濕(shi)熱泄瀉、痢疾等,可單用或(huo)為(wei)香連丸;治療濕(shi)熱黃疸如(ru)茵陳蒿湯。
瀉火功效:用于心(xin)(xin)火亢(kang)盛之(zhi)(zhi)煩(fan)(fan)躁不眠或溫熱(re)病(bing)之(zhi)(zhi)高(gao)熱(re)心(xin)(xin)煩(fan)(fan)、神昏譫(zhan)語,如(ru)(ru)黃(huang)連(lian)解毒湯;若治(zhi)療陰虛、血虛之(zhi)(zhi)心(xin)(xin)煩(fan)(fan)不眠,如(ru)(ru)黃(huang)連(lian)阿(a)膠湯;治(zhi)療血熱(re)妄(wang)行之(zhi)(zhi)吐(tu)血、衄血,如(ru)(ru)瀉心(xin)(xin)湯;胃熱(re)嘔吐(tu),如(ru)(ru)左金丸。
解毒功效:用(yong)于治(zhi)療瘡(chuang)瘍、口舌生瘡(chuang)、咽喉腫痛,內服、外用(yong)均(jun)可;煎(jian)汁(zhi)點眼還可治(zhi)療目(mu)赤(chi)腫痛等。
地理條件
洪雅縣(xian)地處(chu)四川盆地西南邊緣,位于成(cheng)都、樂山(shan)、雅安三角(jiao)地帶,地貌以山(shan)地丘陵為(wei)主,素(su)有“七山(shan)二水一分田”之稱(cheng)。良好(hao)的(de)自(zi)然地理條(tiao)件和悠(you)久的(de)雅連(lian)種植歷(li)史,為(wei)雅連(lian)的(de)生產發展(zhan)提供了優越(yue)條(tiao)件。
2008年(nian)(nian),洪雅(ya)(ya)縣雅(ya)(ya)連(lian)種(zhong)植面(mian)積不(bu)足(zu)(zu)5畝,年(nian)(nian)產值不(bu)足(zu)(zu)萬元,是中國的(de)雅(ya)(ya)連(lian)保護性(xing)種(zhong)植基(ji)地。洪雅(ya)(ya)縣在雅(ya)(ya)連(lian)栽培上大(da)力推進無公害栽培技術(shu),制定了一套完(wan)整的(de)《無公害農產品標準雅(ya)(ya)連(lian)》和《無公害農產品生產技術(shu)規程雅(ya)(ya)連(lian)》農業(ye)地方標準。
栽培歷史
歷史(shi)上(shang)洪雅(ya)(ya)(ya)“雅(ya)(ya)(ya)連(lian)(lian)(lian)”銷量(liang)曾獨(du)占鰲頭,長期占了全國黃(huang)連(lian)(lian)(lian)銷售市場總額的四成以上(shang)。據1939年(nian)(nian)(民國28年(nian)(nian))縣政(zheng)府上(shang)報資料(liao),年(nian)(nian)產“雅(ya)(ya)(ya)連(lian)(lian)(lian)”2500公(gong)斤(jin),次(ci)年(nian)(nian)產量(liang)達(da)5000公(gong)斤(jin)。解放前夕民生凋敝(bi),“雅(ya)(ya)(ya)連(lian)(lian)(lian)”產量(liang)降(jiang)到1000公(gong)斤(jin)。解放后,人(ren)民政(zheng)府重視“雅(ya)(ya)(ya)連(lian)(lian)(lian)”生產,將適宜(yi)“雅(ya)(ya)(ya)連(lian)(lian)(lian)”生長的瓦屋山(shan)區的高廟鄉黑林村(cun)和黑山(shan)村(cun)劃(hua)為“雅(ya)(ya)(ya)連(lian)(lian)(lian)”種(zhong)植區,給(gei)藥農許多優惠政(zheng)策,使“雅(ya)(ya)(ya)連(lian)(lian)(lian)”產量(liang)逐年(nian)(nian)上(shang)升,到1978年(nian)(nian)產量(liang)達(da)2.90萬(wan)公(gong)斤(jin)。