A north Florida native, the Swamp Laurel Oak is one of the most cold-tolerant evergreen oaks. Despite their bitterness, the acorns are eaten by many mammal and bird species (including ducks, bobwhite quail, and wild turkeys).
It is a large, growing tree that grows up to 80 feet tall and has a large, circular crown. The leaves are broad, lanceolate, broad, and unlobed with an entire margin and bristle tip; they typically fall just as the new leaves emerge in spring. The acorns, borne in shallow cups, are hemispherical and long, green, maturing blackish brown about 18 months after pollination.
Source: Wikipedia.