The type of tree that produces acorns is the oak tree, belonging to the genus Quercus. Oaks are widely distributed across the Northern Hemisphere and are known for their robust characteristics and longevity, some living for hundreds of years. Acorns are the nuts produced by oak trees and serve as a vital food source for various wildlife species, including squirrels, deer, and birds. There are approximately 600 species of oak trees, each with unique characteristics pertaining to leaf shape, bark texture, and acorn size. Oaks also play an essential role in woodland ecology and provide strong timber.