Chestnut

Chestnut refers to deciduous trees and shrubs in the genus Castanea, in the beech family Fagaceae, and to their edible nuts.

Chestnut refers to deciduous trees and shrubs in the genus Castanea, in the beech family Fagaceae, and to their edible nuts. Chestnuts are native to temperate regions of the Northern Hemisphere and are also valued for timber and ornamental planting. The term is also used for the nut, the wood, and a dark reddish-brown colour.

Taxonomy and description

Chestnuts are deciduous trees and shrubs in the genus Castanea, within the beech family Fagaceae. They are native to temperate parts of the Northern Hemisphere and bear nuts in a prickly outer husk.

Species and distribution

Commonly recognized chestnuts include American, European, Chinese, and Japanese chestnuts. Different species are native to North America, Europe, and East Asia, and many are now widely cultivated.

Uses

Chestnut nuts are edible and have been used in cooking for centuries. The wood is also used, and some species are planted as ornamental or timber trees.

Chestnut blight

Chestnut blight is a fungal disease caused by Cryphonectria parasitica. It severely reduced American chestnut populations in North America and remains a major topic in chestnut history and conservation.