東(dong)(dong)莞(guan)(guan)市(shi)各鎮(zhen)區大力推(tui)廣種植(zhi)龍眼(yan)(yan)(yan),品種以石(shi)(shi)碣龍眼(yan)(yan)(yan)為多,石(shi)(shi)碣龍眼(yan)(yan)(yan)以果型大,皮薄肉厚,甜脆爽口,營養豐富而大受歡迎。據東(dong)(dong)莞(guan)(guan)市(shi)第一批(pi)古樹名木(mu)公布(bu){2003.7.4},東(dong)(dong)莞(guan)(guan)市(shi)分(fen)布(bu)在南城、鳳崗(gang)、塘廈、清(qing)溪、大朗、橋頭、虎門、洪梅、中堂、石(shi)(shi)碣等鎮(zhen)區的二、三級(ji)古龍眼(yan)(yan)(yan)樹共有17株,現(xian)存年代最(zui)長的是(shi)位于(yu)石(shi)(shi)碣涌口村的2株龍眼(yan)(yan)(yan),已有300年樹齡,可見龍眼(yan)(yan)(yan)在東(dong)(dong)莞(guan)(guan)栽種歷史悠久,分(fen)布(bu)廣泛。民國期間(jian),東(dong)(dong)莞(guan)(guan)是(shi)廣東(dong)(dong)龍眼(yan)(yan)(yan)主要產區之一。東(dong)(dong)莞(guan)(guan)龍眼(yan)(yan)(yan)品種有:石(shi)(shi)硤、廣眼(yan)(yan)(yan)、烏(wu)圓、福眼(yan)(yan)(yan)、東(dong)(dong)壁、花殼等。
龍(long)眼可(ke)鮮食(shi),但常用曬或火焙的(de)方法加工(gong)成(cheng)龍(long)眼干,取其(qi)肉可(ke)入(ru)藥(yao),名為桂(gui)圓(yuan)肉,具(ju)有益脾(pi)、安神、補(bu)血養顏之功效。眼樹材質(zhi)堅(jian)硬、質(zhi)重、耐水濕(shi)而不腐,是造船、家(jia)具(ju)等的(de)良材。