東(dong)莞(guan)(guan)市(shi)各(ge)鎮(zhen)區(qu)大力推廣(guang)種(zhong)植龍(long)(long)眼(yan)(yan)(yan)(yan)(yan),品種(zhong)以石碣(jie)龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)為多(duo),石碣(jie)龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)以果(guo)型大,皮薄肉厚,甜脆爽口,營養豐富(fu)而大受歡迎。據東(dong)莞(guan)(guan)市(shi)第(di)一(yi)批古樹(shu)(shu)(shu)名木(mu)公布{2003.7.4},東(dong)莞(guan)(guan)市(shi)分(fen)(fen)布在(zai)南城、鳳(feng)崗、塘(tang)廈、清溪(xi)、大朗(lang)、橋頭、虎門、洪(hong)梅、中堂(tang)、石碣(jie)等鎮(zhen)區(qu)的二、三(san)級(ji)古龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)樹(shu)(shu)(shu)共有17株,現存(cun)年代最長的是位于石碣(jie)涌口村的2株龍(long)(long)眼(yan)(yan)(yan)(yan)(yan),已(yi)有300年樹(shu)(shu)(shu)齡,可見龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)在(zai)東(dong)莞(guan)(guan)栽種(zhong)歷史(shi)悠(you)久(jiu),分(fen)(fen)布廣(guang)泛。民國期間,東(dong)莞(guan)(guan)是廣(guang)東(dong)龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)主要產區(qu)之一(yi)。東(dong)莞(guan)(guan)龍(long)(long)眼(yan)(yan)(yan)(yan)(yan)品種(zhong)有:石硤、廣(guang)眼(yan)(yan)(yan)(yan)(yan)、烏圓、福眼(yan)(yan)(yan)(yan)(yan)、東(dong)壁(bi)、花殼等。
龍(long)眼可鮮食,但(dan)常用曬或火焙(bei)的(de)方法加工成(cheng)龍(long)眼干,取其肉可入藥,名為桂(gui)圓肉,具有(you)益(yi)脾(pi)、安(an)神(shen)、補血養顏之功效。眼樹材(cai)質堅硬(ying)、質重、耐水濕而不腐,是造船、家(jia)具等(deng)的(de)良材(cai)。