A walnut is the edible seed of a drupe of any tree of the genus Juglans, particularly the Persian or English walnut, Juglans regia.Although culinarily considered a nut and used as such, it is not a true botanical nut. After full ripening, the shell is discarded and it is used as a garnish or a snack. Nuts of the eastern black walnut and butternuts are less commonly consumed. Read More
