| black walnut Juglans nigra Juglandaceae |
Leaves are alternate, deciduous and pinnately compound with up to 21 lanceolate leaflets, usually with no terminal leaflet (juvenile trees often show a terminal leaflet). Twigs are stout with monkey-faced leaf scars and a brown chambered pith. Bark is dark brown to black and deeply grooved. Nuts are round, weakly corrugated, and enclosed by a round, green, indehiscent husk. Black walnut is found on fertile, moist sites in the east and central U.S. and is intolerant of shade. The commercially valuable wood is used for furniture and veneer. The nuts are eaten by squirrels and people.
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All text and photographs are intended for educational purposes only and are not for
commercial use in any form. All photographs are copyrighted by the named
photographer(s), text copyright by Lisa Samuelson. © 2005, all rights reserved.
Photographs by Mike Hogan.
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