Species Profiles Cumulative Quiz 5 View

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river birch (Betula nigra)
Family: Betulaceae

 

A table detailing the characteristics of the river birch

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Form:

This is a medium sized tree reaching 70 – 80 ft. in height and a dbh of 2-3 ft.

Leaves:
 Arrangement: alternate; simple

 Shape: wedge-shaped or truncate base

 Margin: doubly serrate

 Texture: dark green above, pale and pubescent below

 Variation: parallel

Leaves of a river birch

Bark:

It has salmon colored dehiscent (flaky) bark.

Bark of a river birch

Twigs and Buds:

Twigs are brown slender and covered with lenticels.

Twig and buds of a river birch

Flowers and Fruit:

The fruit grows in a cylindrical pubescent bract.

Fruit from a river birch

Distinguishing Characteristics:

Exfoliating bark that is salmon (pink) in color.

Range:

Throughout the eastern U.S. excluding the Appalachian mountains.

Silvics:

It is shade-intolerant and typically grows along river banks and within flood plains.

Ecological and Cultural Importance:

It has little commercial value. Wild turkeys and white tail deer browse this species.