沙冬青、矮沙冬青为豆科,属常绿阔叶灌木。沙冬青仅产于内蒙古及甘肃的沙漠中,是国家级保护植物。矮沙冬青仅分布于新疆喀什地区,为国家二级保护植物。 沙冬青、矮沙冬青号称沙漠中的常青树。其枝叶密被柔毛,可免受太阳强光灼伤,减少叶面蒸腾。其主根发达,能吸收沙土层深处水 Sand holly, dwarf sand holly as legumes, is a evergreen broad-leaved shrub. Astragalus is only produced in Inner Mongolia and Gansu desert, is a national protected plants. Short dwarf holly only distributed in Kashgar region of Xinjiang, two national protected plants. Sand holly, dwarf sand holly known as the evergreen desert. Its foliage is densely pilose, protected from sun glare burns and reduced leaf transpiration. Developed its main roots, can absorb sand deep water