Sometimes known by the common name bao li, this oak is native to Korea, China and Japan. Its leaves have serrated (toothed) margins. A member of the white oak group, this oak produces acorns annually.

The genus Quercus includes more than 600 species of the oak tree, of which 90 are native to North America; the ºÚÁϳԹÏÍø's collection contains more than 60 varieties and over 1,000 individual trees. Twenty oak species are native to Illinois.

Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as acorns. Within the white oak group, acorns mature annually; in the red oak group, acorns take two years to mature (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife.