butternut


butternut

Deciduous nut-producing tree (Juglans cinerea) of the walnut family, native to eastern North America. A mature tree has gray, deeply furrowed bark. Each leaf has 11–17 yellowish green leaflets that are hairy underneath. Chocolate-coloured partitions divide the pith of the twig into many chambers. The egg-shaped fruit has a sticky, greenish brown husk. The hard, woody nut bears many ridges and contains a sweet, oily seed. The tree is economically important for its edible nuts and for a yellow or orange dye obtained from the fruit husks. Some substances in the inner bark of the roots are used in medicines.

This entry comes from Encyclopædia Britannica Concise.
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