river birch

a tree, Betula nigra, of the eastern U.S., having papery, reddish-brown bark that peels away.
Also called red birch.


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Encyclopedia Britannica

river birch

ornamental tree of the family Betulaceae, found on river and stream banks in the eastern one-third of the United States. Because the lower trunk becomes very dark with age, the tree is sometimes called black birch, a name more properly applied to sweet birch (q.v.).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
It can also occur in other trees, such as river birch.
In drainage areas and along the shoreline, willows, river birch and alder are found.
River birch is abundant along the shore, and aged sycamores lean out across the river from their shoreline moorings.
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