Lithocarpus glaber (Thunb.) Nakai is a tree in the family Fabaceae. The plant reaches a height of 15 meters; Leaves are leathery or hard papery in texture, oblong or oblong in shape, with 2-4 shallow teeth on the entire margin or near the tip. The lower part of the old leaves is hairless or almost hairless and covered with a waxy scale layer; Flowers have small branches, young petioles, and the underside of leaves and inflorescence axis are densely covered with grayish yellow short hairs; The fruit is disc-shaped or shallow bowl shaped, with triangular scales, and is covered with gray soft hairs. The fruit is elliptical in shape; The flowering period is from September to October; The fruiting period is from September to October of the following year.