龙眼是无患子科的一种常绿果树,原产我国南部,至少有两千多年的栽培历史。我省的泸州,是国内较著名的产地之一。其果实俗称“桂园”,营养丰富,维生素C和蛋白质的含量都很高,是珍贵的滋补品。木材优良,可作家俱。根、干可提考胶。花、叶、果肉可供入药。花期长,密多,是优良的蜜源植物。 Longan is an evergreen subtropical evergreen fruit tree, native to southern China, at least two thousand years of cultivation history. Luzhou in our province is one of the more famous places in China. Its fruit commonly known as “Gui Yuan”, nutrient-rich, vitamin C and protein content are high, is a precious tonic. Excellent wood, can be used as furniture. Roots, dry can check gum. Flowers, leaves, flesh for medicine. Flowering long, dense, is a good nectar source.