| Pin Oak is commonly planted in North Carolina, but fairly rare in the wild, where it occurs in the northern half of the Piedmont. Durham Co., NC 8/15/2010.
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| The smooth leaves are distinguised by their deep sinuses. Scarlet Oak (Q. coccinea) also has deep sinuses, but grows in uplands. Shumard Oak (Q. shumardii) also grows in swamps, but the sinuses are slightly less deep. Both Shumard and Pin may show tan hairs in the axils of the veins beneath (see left). Also compare with Cherrybark Oak (Quercus pagoda). Durham Co., NC 5/23/2012.
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| Durham Co., NC 6/8/2003.
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| Durham Co., NC 10/16/2008.
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| Pin Oak is associated with bottomlands and swamps, as the name palustris indicates. Durham Co., NC 5/23/2012.
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| The bark and form are similar to that of Willow Oak (Quercus phellos), smooth when the tree is young, becoming shallowly ridged, broken by shallow longitudinal fissures. The bark and form of Shumard are more similar to that of Northern Red Oak (Quercus rubra). Durham Co., NC 5/23/2012.
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| Durham Co., NC 10/16/2008.
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| Durham Co., NC 8/15/2010.
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| Durham Co., NC 10/16/2008.
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| Durham Co., NC 10/16/2008.
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| Durham Co., NC 10/16/2008.
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| Durham Co., NC 10/16/2008.
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| Durham Co., NC 10/16/2008.
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