Choose a new plant for this side. Juglans cinerea (butternut) growth form The butternut tree has compound leaves that are 15 - 30 inches long with 11 - 17 leaflets Juglans cinerea leaflets are nearly sessile and hairy on top and bottom. Superposed buds on Butternut tree. Male flowers (catkins) of Butternut tree Juglans cinereaFruit of Juglans cinerea Juglans cinerea, butternut tree, habit in summer Juglans cinerea, butternut tree, fruit in summer Juglans cinerea, butternut tree, fruit and compound leaves in summerFruit of Juglans cinerea