Chestnut (Castanea), (including some chinkapin or chinquapin)'s a genus of eight or nine species of deciduous trees and shrubs in the Beech family Fagaceae, native to temperate regions of the Northern Hemisphere. The name also refers to the edible nuts they produce. Species The Chestnut tree (Castanea) belongs to the same Fagaceae family as the Oak and Beech trees. There're four main species, commonly known as European, Chinese, Japanese and American Chestnuts: Sweet Chestnut (Castanea sativa)… (More on Chestnut)