Board Thread:Quote Claim/@comment-26393112-20181130223741/@comment-37519456-20181130225042

The acorn, or oaknut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae). It usually contains a single seed (occasionally two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule.