北京水晶(jing)杏(xing)(xing)主要(yao)分布在海淀(dian)區西(xi)山(shan)東麓沿(yan)線,三面環(huan)山(shan)形(xing)成一(yi)個山(shan)洼,4月初開花、6月上旬成熟。水晶(jing)杏(xing)(xing)果實圓(yuan)或長圓(yuan)形(xing),黃白(bai)色,陽面有紅暈,表面光(guang)滑,果肉(rou)淡白(bai)色,呈半透明狀,朦朧中可(ke)見到(dao)杏(xing)(xing)核,故(gu)名水晶(jing)杏(xing)(xing)。水晶(jing)杏(xing)(xing)口感極甜,杏(xing)(xing)汁液多,品質(zhi)極優,平均果重80克,最大可(ke)達100克。