Input (grade 13): 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, 3-7 cm long and 2-4 cm broad, with a smooth or very finely toothed margin.
Output (grade 8): The leaves are evergreen in the south of the range, but deciduous farther north where winters are colder. They are oval-elliptic with an acute apex, 3-7 cm long and 2-4 cm broad, with a smooth or very finely toothed margin.