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What Type of Tree Makes an Acorn? Only trees in the Quercus genus produce acorns. Watch a squirrel or chipmunk forage for food and no doubt a cache of acorns will appear. Acorns provide food for various wildlife, or they would otherwise litter the forest floor and rot since they are too heavy to disperse via wind.
The oak tree unfurls its leaves during the spring time and develop flowers which, when pollinated correctly, produce new acorn growth. Acorns are a source of food for insects, birds like the blue jay and ruffed grouse, as well as woodland creatures like squirrels, chipmunks and deer.