The margin of the black walnut leaf is singly
Black walnut and English walnut differ in the number of
leaflets, the shape of the leaflets, and the leaflet margin.
black walnut leaves have a greater number of leaflets
(15-23) than English walnuts (5-9). English walnut leaflets
have more oval shaped leaves while black walnut leaves are
generally smaller and narrower in shape. Black Walnut
leaflets have toothed margins while English walnut leaflet
margins are entire.
Black walnut leaves generally have more leaflets (15-23)
compared to butternut (11-19). The leaflet size is of black
walnut is typically smaller than butternut. Also butternut
leaves are hairy on their midvein, while black walnut is