Leaves petiolate;leaf blade papery to membranous, secondary veins 1 or 2 on each side of midvein, tertiary veins parallel, margin usually serrulate.

• 叶具叶柄叶片纸质到膜质，次脉在中脉两边各1或2，平行的第三脉，边缘通常有细锯齿的。