Field Guide: Trees and Shrubs

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Northern Pin Oak
You found Northern Pin oak (Quercus ellipsoidalis).
It is a medium sized tree with a maximum height of 70 feet (7). The crown is irregularly shaped and there are many low hanging branches. The leaves are pinnately lobed with 5 -7 lobes. It is monoecious with seed production that begins when the tree is 20 years old (6). The Northern Pin oak flowers from March to May. It is found throughout the middle and western parts of the Great Lakes region (2).