A type of hickory tree with bitter-tasting nuts that are rarely eaten by humans but are sometimes used as food by wildlife.
A compound word combining 'bitter' (tasting sharp and unpleasant) and 'nut' (the hard-shelled fruit), literally describing the taste of this hickory tree's seeds.
Bitternut hickory trees are identifiable by their distinctive bright yellow leaf buds in winter, which stand out like little signals saying 'don't eat my nuts!' to hungry animals.
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