The leaves are evergreen in the south of the range , but deciduous further north where winters are colder ; they are oval-elliptic with an acute apex , NUMBER@1 cm long and NUMBER@2 cm broad , with a smooth or very finely toothed margin .

The leaves are evergreen in the south of the range , but deciduous further north where winters are colder . They are oval-elliptic with an acute apex , NUMBER@1 cm long and NUMBER@2 cm broad , with a smooth or very finely toothed margin .
