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Juglans nigra
Juglans nigra
, the
eastern black walnut
, a
species
of
flowering
tree
in the
walnut
family,
Juglandaceae
, is native to eastern
North America
. It grows mostly in
riparian zones
, from southern
Ontario
, west to southeast
South Dakota
, south to
Georgia
, northern
Florida
and southwest to central
Texas
. Wild trees in the upper
Ottawa Valley
may be an isolated native population or may have derived from planted trees.
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