Nut A dry, 1-celled, 1-seeded fruit that does not split open on its own, having a hard and bony shell, sometimes with a fibrous or slightly fleshy outer covering. Did you know? Peanuts are legumes and almonds are seeds inside drupes; true botanical nuts include acorns, hazelnuts, and chestnuts.
Glossary: Fruit / seed morphology
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Nuts