Quercus hypophaea
Quercus hypophaea is an uncommon species of tree in the beech family Fagaceae. It has been found only in Taiwan. It is placed in subgenus Cerris, Quercus [sect. Cyclobalanopsis|section Cyclobalanopsis].
Quercus hypophaea is a tree up to 18 meters tall with whitish twigs. Leaves can be as much as 10 cm long.