Hills Oak Tree Information

Images of Hills Oak:

Hills Oak grows in the following 11 states and provinces:

Arkansas, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, North Dakota, Ohio, Wisconsin

Information about Hills Oak:

More information about Hills Oak may be found here.

The Quercus Ellipsoidalis is commonly known as the Hill's Oak, Jack Oak as well as Northern Pin Oak.

The currently accepted scientific name for northern pin oak is Quercus ellipsoidalis E. J. Hill . It is in the subgenus Erythrobalanus, or red (black) oak group . There are no recognized subspecies, varieties, or forms. Northern pin oak hybridizes with the following species : x Q. rubra (northern red oak) x Q. velutina (black oak): Q. xpalaeolithicola Trel.

Northern pin oak has a limited range; it is largely confined to the middle and western parts of the Great Lakes region. It occurs from central Michigan east to noth-central Wisconsin, eastern Iowa, northern Illinois, and northern Indiana. Disjunct populations occur in northern Ohio, Arkansas, and extreme southeastern North Dakota .

Northern pin oak is a common component in central upland deciduous forest. It is pure or comprises a majority of the stocking in varying mixtures with white oak (Quercus alba), black oak (Q. velutina), scarlet oak (Q. coccinea), bur oak (Q. macrocarpa), or northern red oak (Q. borealis) . The following published classifications list northern pin oak as a dominant or codominant species: Classification of forest ecosystems in Michigan Field guide to forest habitat types in northern Wisconsin

Some of the information provided here is attributed to:Coladonato, Milo. 1993. Quercus ellipsoidalis. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). , available at the USDA Fire Effects Information System (FEIS) website