東(dong)莞市(shi)各鎮區大(da)力推廣種(zhong)植龍(long)(long)眼(yan),品種(zhong)以石(shi)(shi)碣龍(long)(long)眼(yan)為多(duo),石(shi)(shi)碣龍(long)(long)眼(yan)以果型大(da),皮薄(bo)肉厚,甜脆爽口(kou),營養豐富而大(da)受歡迎(ying)。據東(dong)莞市(shi)第(di)一(yi)批古樹(shu)名木公布{2003.7.4},東(dong)莞市(shi)分(fen)布在南城、鳳崗、塘(tang)廈、清(qing)溪、大(da)朗、橋頭、虎門、洪(hong)梅、中堂、石(shi)(shi)碣等鎮區的(de)(de)二、三(san)級古龍(long)(long)眼(yan)樹(shu)共有17株(zhu)(zhu),現存年代最長的(de)(de)是(shi)位于(yu)石(shi)(shi)碣涌口(kou)村的(de)(de)2株(zhu)(zhu)龍(long)(long)眼(yan),已有300年樹(shu)齡,可見(jian)龍(long)(long)眼(yan)在東(dong)莞栽(zai)種(zhong)歷史悠久,分(fen)布廣泛。民(min)國期間,東(dong)莞是(shi)廣東(dong)龍(long)(long)眼(yan)主(zhu)要產區之一(yi)。東(dong)莞龍(long)(long)眼(yan)品種(zhong)有:石(shi)(shi)硤、廣眼(yan)、烏圓、福眼(yan)、東(dong)壁、花殼等。
龍(long)眼可鮮(xian)食,但常用(yong)曬(shai)或火焙的方法加工成龍(long)眼干,取其(qi)肉(rou)可入(ru)藥,名為桂(gui)圓肉(rou),具有益脾、安(an)神(shen)、補(bu)血(xue)養顏之功效。眼樹材質(zhi)堅硬、質(zhi)重、耐水濕而不(bu)腐,是造船、家具等的良材。