Stock Photo - Walnut (fruit) In botany, the term walnut (or nut) is applied to an indehiscent, monosperm, dry fruit with a hard pericarp derived from an infamous ovary whose wall is hardened.

Stock Photo: Walnut (fruit) In botany, the term walnut (or nut) is applied to an indehiscent, monosperm, dry fruit with a hard pericarp derived from an infamous ovary whose.

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