Nut (fruit)
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A nut is a fruit consisting of a hard or tough nutshell protecting a kernel which is usually edible. In general usage and in a culinary sense, many dry seeds are called nuts, but in a botanical contex
Diagram of a shagbark hickory nut
An Eastern chipmunk (Tamias striatus) with a hazelnut in its mouth
Walnut kernels
Drupe
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In botany, a drupe, or stone fruit, is a type of fruit in which an outer fleshy part surrounds a single shell of hardened endocarp with a seed inside. Drupes do not split open to release the seed, i.e
The development sequence of a typical drupe, a smooth-skinned (nectarine) type of peach (Prunus persica) over a 7+1⁄2-month period, from bud formation in early winter to fruit ripening in midsummer
Assorted drupes
The peach is a typical drupe (stone fruit).
'Elena', a freestone prune plum