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Arboretum
"A man does not plant a tree for himself, he plants it for posterity." - Alexander Smith
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Pin Oak
(Quercus palustris)
Donated by
Village of Germantown, IL
Tree Map Location: #
3
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Leaf:
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Alternate, simple, 3 to 6 inches long, oval in outline with 5 to 9 bristle-tipped lobes and irregularly deep sinuses that extend nearly to the midrib. Major lobes form a U-shape. Bright green above and pale below with axillary tifts.
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Flower:
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Monoecious; male flowers borne on slender, drooping yellow-green catkins; females reddish green borne on short spikes in new leaf axils, appearing in the spring with the leaves.
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Fruit:
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Acorns are 1/2 inch long, striated, round (but flattened at the cap); thin and saucer-like cap, covered with red-brown appressed scales; matures after 2 years, dispersed fall to early winter.
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Twig:
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Slender, red-brown in color and quite lustrous with multiple terminal buds that are small, pointed, and chestnut brown.
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Bark:
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Gray-brown and very tight and thin; remains smooth for many years, eventually develops thin ridges and furrows.
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Form:
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A medium sized tree that is very pyramidal; lower branches are pendulous and middle branches grow at right angles; branches are studded with numerous branchlets that do not prune readily, resulting in a spiny appearance.
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Source:
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College of Natural Resource Virginia Polytechnic Institute and State University
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To participate in the Kaskaskia College Arboretum please contact:
Office of Institutional Advancement
618-545-3069
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