Abstract:The leaf architectural terminology of deciduous taxa in Fagaceae from East Asia, high-lighting terms of venation and tooth type has been reviewed and revised. Based on observation of cleared leaves of all taxa, six tooth types are recognized from the deciduous Fagaceae from East Asia, i.e., Urticoid Type, Modified Urticoid Type I, Modified Urticoid Type II, Modified Urticoid Type III, Spinose Type, and Fagoid Type.