Walnut (English) - Leaf


English walnut leaves are compound and arranged alternately along the stem.

The leaf is composed of 5 to 9 leaflets, each reaching a length of 2 to 5 inches.

The margins of the English Walnut leaflets are entire (teeth absent).

English walnut and Black 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.

English walnut and Butternut have the same general leaf shape. They differ in the number of leaflets, butternut has 11-19 leaflets, while English walnut has only 5-9. Also, butternut has a toothed margin, while the leaf margin of the English walnut is entire.


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© 2000 Rosie Lerner, Purdue University