A medium-sized to large tree, Celtis occidentalis, occasionally growing to 120 ft (36 m). It occurs in the eastern half of the United States, except the extreme south, and has corky or warty bark; alternate, long-pointed serrate leaves unequal at the base; and a small drupaceous fruit with thin, sweet, edible flesh. The pith of the twigs is chambered. The wood is used for furniture, boxes, and baskets. It is a shade tree and is also used for shelterbelts. Sugarberry (C. laevigata) is similar to hackberry. It grows in the southeast United States and has narrower leaves with entire margins and smaller fruit. It is used for furniture, boxes, and baskets; shelterbelts; and shade.