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Walnut

A walnut is the edible seed of any tree of the genus Juglans, particularly the Persian or English walnut, Juglans regia. They are accessory fruit because the outer covering of the fruit is technically an involucre and thus not morphologically part of the carpel; this means it cannot be a drupe but is instead a drupe-like nut.

From Wikipedia, licensed under CC BY-SA 4.0

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Taxonomy

Scientific: Persian or
Genus: Persian
Hardiness: Zone 4
Habit: tree
Bloom: Late Spring