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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 most reliable distinction is in the inner surface of the acorn shell. White oaks are glabrous(hairless) and red oaks are tomentose(hairy). 2. White oak acorns require one season to mature, whereas red oak acorn require two seasons. 3. White oak acorn initiate germination in autumn, whereas red oak acorn usually do not germinate until next spring. 4. Red oak acorn has a higher tannin content rather than white oak acorn. but there are intermediate group between white oak and red oak. Which oak drops acorns first? here in lowcountry of south carolina, water oaks drop first. right around the beginning of september.