Small trees, sparse shrubs, 4-10 m high; Bark light gray or greenish, smooth; Branchlets green, smooth and glabrous. The leaf blade is ovate or elliptic, 4-8 cm long, 2.5-5 cm wide, apex and tail are pointed, the base is wide cuneate to round, the leaf edge often has small sharp teeth, grayish green, when young, it is pubescent on both sides, and gradually falls off when growing, or only has pubescence between the axils of the lower veins; Petiole 1-2 cm long, hairy when young, shedding when ...