山杏是我区的乡土树种,在各盟的丘陵山区广有分布,是荒山造林的先锋树种,又是良好的木本油料树。山杏属于蔷薇科,灌木或亚乔木。树高可达7～8米,树龄可达40～50年。它根系发达,主根能在沙砾、石缝间伸延,并可穿透几十厘米厚的白干土,因而极耐贫瘠和干旱。它枝条弯曲,节间短而稠密,挡风阻沙的作用明显。它 Prunus armeniaca is a native species in our district, widely distributed in the hilly mountains of the League, is the pioneer tree species afforestation of the barren hills, but also a good woody oilseed tree. Armeniaca belongs to the Rosaceae, shrubs or sub-arborvitae. Tree height up to 7 to 8 meters, the age of up to 40 to 50 years. Its root system is developed. The main root can extend between gravels and crevices, and can penetrate dozens of centimeters of white dry soil, making it extremely resistant to barrenness and drought. It is curved branches, internodes short and dense, wind blocking the role of sand significantly. it