Nut (fruit)
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A nut is a fruit consisting of a hard or tough nutshell protecting a single seed. In botany, the use of the term nut implies that the shell does not open to release the seed.
Diagram of a shagbark hickory nut
An Eastern chipmunk (Tamias striatus) with a hazelnut in its mouth
Walnut kernels
Chestnut
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Chestnuts are the deciduous trees and shrubs in the genus Castanea, in the beech family Fagaceae. The name also refers to the edible nuts they produce. They are native to temperate regions of the Nort
Nut (fruit)
…indehiscence). Whereas most seeds come from fruit that naturally free themselves from their shell, this is not the case in true nuts (such as hazelnuts, chestnuts, and acorns), which have hard shell walls and originate from a compound ovary. Because nuts do not open of their own accord, they rely on external…
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Chestnuts at Ljubljana Central Market
Bark of C. sativa (sweet chestnut)
C. sativa male catkins (pale buff) and female catkins (green, spiny, partly hidden by leaves)