Leaves opposite, papery, ovate, suborbicular or elliptic, 4-8 cm long, apex rounded, base rounded to broadly cuneate, ma叶对生，纸质，圆卵形、近圆形或椭圆形，长4-8厘米，顶端圆形，基部圆形至宽楔形，边缘除基部外具整齐而稍带波状的锯齿，两面被黄褐色簇状短伏毛；叶柄长6-15毫米。