| 1. | Leaves opposite , papery , ovate , suborbicular or elliptic , 4 - 8 cm long , apex rounded , base rounded to broadly cuneate , margin with regular and slightly sinuate teeth except base , covered with yellowish brown tufted appressed hairs ; petioles 0 . 6 - 1 . 5 cm long
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。 |
