Here are some pictures of black walnut. You can click on the pictures to see higher quality, larger images.
This is a black walnut tree.
These are black walnut leaves and bark.
Walnut leaves are
long and narrow,
with toothed edges.
Walnut bark is gray
with deep, narrow
furrows.
Side View
Walnut wood can be identified by its rich chocolate brown color.
Cross section
Walnut wood under magnification.
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