胡杨属杨柳科杨属,别名异叶杨、胡桐,我区农牧民又称水桐树,因“胡杨泪”能治病,又有“神树”之称。胡杨具有很强的抗逆性,抗热、抗寒、抗旱、抗风沙,还耐盐碱、耐水湿、耐瘠薄,被誉为盐碱地上的“王牌树”,沙漠近水绿洲的“主人”。由于它根系发达,萌蘖性特强,对土壤盐渍化和气候及土壤干旱的抗性尤为突出,是造林的优良树种。胡杨系落叶乔木,树干通直,成树高达15—20米,寿命长达百年以上。其幼枝有毛,一年后脱落,老枝光滑,树皮灰褐色,表皮纵裂,纵 Populus is a poplar genus, alias different Ye Yang, JT, my area farmers and herdsmen, also known as water-tree, because “Populus tears” can cure, there are “god tree” said. Populus euphratica has strong resistance, heat, cold, drought, wind sand, but also salt, water wet, barren, known as the “ace tree” on the saline soil, desert water oasis near the “owner” . Because of its well-developed roots, particularly strong sprouting, resistance to soil salinization and climate and soil drought is particularly prominent, is an afforestation excellent tree species. Populus deciduous trees, trunk straight, as high as 15-20 meters, life expectancy of up to a hundred years. Its young branches hairy, one year off, the old branches smooth, bark gray brown, epidermis longitudinal crack, vertical