乔木或灌木叶具叶柄，全缘的或有锯齿在边缘。
Trees or shrubs. Leaves petiolate, entire or serrate at margin.
对具绵状毛的至少沿脉被微柔毛的叶片和叶柄；花药球状的或肾形。
Leaf blade and petioles puberulent to woolly at least along veins; anthers globose or reniform.
叶互生，具叶柄，薄革质或纸质，上半部边缘具牙齿，很少全缘，侧脉2或3对，低的离基三出脉。
Leaves alternate, petiolate, thinly leathery or papery, margin dentate in apical half , rarely entire, lateral veins 2 or 3 pairs, lowest triplinerved.
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