Arboretum
"A man does not plant a tree for himself, he plants it for posterity." - Alexander Smith   
River Birch
(Betula nigra)

Donated by Village of New Minden, IL
Tree Map Location: # 22


River Birch tree River Birch leaves River Birch bark River Birch twig


Leaf: Alternate, simple, pinnately-veined, rhombic to ovate, 1 1/2 to 3 inches long, conspicuously doubly serrate, with a wedge-shaped base, green above, paler and fuzzy below.  
Flower: Monoecious; preformed, reddish green, male catkins near the end of the twig, 2 to 3 inches long; female catkins upright, 1/4 to 1/2 inch long, light green, appear or elongate (males) in mid-spring.  
Fruit: Cone-like, aggregate, 1 to 1 1/2 inches long, with many hairy scales, reddish brown, containing many tiny, 3-winged seeds, ripen and break apart in the fall.  
Twig: Slender, orangish brown in color, smooth or slightly pubescent, with the terminal bud absent. Lateral buds may be slightly pubescent. No wintergreen odor when cut.  
Bark: Smooth on young trees, salmon to rust colored; developing papery scales, exfoliating horizontally with several colors (creamy to orangish-brown) visible; later developing coarse scales.  
Form: Medium size tree reaching up to 70 feet tall. The trunk generally divides low into several upright trunks.  
Source: College of Natural Resource Virginia Polytechnic Institute and State University  
Website: http://www.cnr.vt.edu/dendro

To participate in the Kaskaskia College Arboretum please contact:
Office of Institutional Advancement
618-545-3069
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