Chestnut Chestnuts are deciduous trees with furrowed bark and scaly buds. Terminal buds are absent. Leaves are alternate and toothed with parallel veins. Flowers are monoecious and borne in catkins.
Fruit is a nut in a prickly bur.
Leaves are glabrous and two to three times as long as wide. The leaf base is acute, or narrowed, toward the base. Leaves are coarsely toothed and have bristle-like tips. Buds and twigs are glabrous. Leaves are rounded, or square, at the base and are entirely or obscurely toothed along the margin.