The main results are showed as follow: ( 1) The leaf shape and size was relatively constant in Qa along the altitudinal, only the dry weight was higher and the leaf shape index was smaller in low altitude than that in medium altitude gradient. 结果表明:(1)随着海拔的升高,锐齿槲栎叶形态特征在海拔间相对比较恒定,仅低海拔的干重较中高海拔稍大而叶形指数又稍小。