Trees or shrubs, 3-10 m high or higher, DBH up to 50 cm, bark thick, gray, with irregular shallow longitudinal cracks; Winter buds are reddish brown, ovate, with bud scales arranged in tile like manner, grayish brown, with fine hairs; Branchlets have fine hairs. Leaves ovate or broadly ovate, 5-15 cm long and 5-12 cm wide, acute, acuminate or obtuse at the apex, rounded to shallow heart-shaped at the base, coarsely obtuse serrations at the edges, sometimes the leaves are divided into various ...