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{{Taxobox
| color = lightgreen
| name = Juglandaceae
| image = Juglans regia Broadview.jpg
| image_width = 240px
| image_caption = ''Juglans regia''
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Dicotyledon|Magnoliopsida]]
| ordo = [[Fagales]]
| familia = '''Juglandaceae'''
| familia_authority = A. Richard ex [[Carl Sigismund Kunth|Kunth]]
| subdivision_ranks = Genera
| subdivision =
''[[Alfaroa]]''<br/>
''[[hickory|Carya]]'' (hickory and pecan)<br/>
''[[Wingnut|Cyclocarya]]'' (wheel wingnut)<br/>
''[[Engelhardia]]'' (cheo)<br/>
''[[walnut|Juglans]]'' (walnut)<br/>
''[[Oreomunnia]]''<br/>
''[[Platycarya]]''<br/>
''[[Wingnut|Pterocarya]]'' (wingnut)
}}
The '''Juglandaceae''', also known as the Walnut Family, is a family of [[tree]]s, or sometimes shrubs, in the order Fagales. Various members of this family are native to the [[Americas]], [[Eurasia]], and [[Southeast Asia]].
[[Image:Walnut03.jpg|left|thumb|Nut of ''Juglans regia'']]
Members of the walnut family have large aromatic leaves, that are usually alternate, but opposite in ''Alfaroa'', ''Oreomunnia''. The [[leaf|leaves]] are pinnately compound, or ternate, and usually 20-100 cm long.
The trees are wind-pollinated, the flowers usually arranged in [[catkin]]s, and the [[fruit]] is a true botanical [[nut (fruit)|nut]]. <br clear = left>
[[Image:Platycarya strobilacea1.jpg|left|thumb|Foliage and seed catkin of ''Platycarya strobilacea'']]
There are eight genera in the family, including the commercially important [[nut (fruit)|nut]]-producing trees [[walnut]] (''Juglans''), [[pecan]] (''Carya illinoinensis''), and [[hickory]] (''Carya''). The Persian walnut, ''[[Juglans regia]]'', is one of the major nut crops of the world. Walnut and hickory are also valuable timber trees.
[[Category:Fagales]]
[[Category:Plant families]]
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