“水南１号”是福建省莆田市农科所通过实生选育出的果大、质优、可食率高、较迟熟的龙眼优良品种。其特性如下：形态特征“水南１号”龙眼母树为实生树，树龄约百年，树高７ｍ，冠幅１２．５ｍ，树冠半圆形，树姿较开张。一年生枝为红褐色，分枝多，节间较长。叶片较大，小叶? “Shui Nan 1” is an excellent variety of longan with high yield, high edible rate and relatively late ripeness, which was bred by Agricultural Science Institute of Putian City, Fujian Province. Its characteristics are as follows: Morphological characteristics “Shui Nan 1” Longan mother tree is a real tree, about a hundred years old, tree height 7m, crown width 12.5m, crown semicircular, tree posture more open. Annual branches are reddish brown, branches and more internodes longer. Larger leaves, leaflets?