(A) Perisperm is the persistent,dry,and nutritive tissue derived from the nucellus that remains in the seed of some plants (e.g.,black pepper,beet). I

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Remnant of nucellus in the seed

(A) Perisperm is the persistent,dry,and nutritive tissue derived from the nucellus that remains in the seed of some plants (e.g.,black pepper,beet). In most angiosperms,the nucellus is consumed during the development of the embryo,but in certain species,a portion of it persists,which is known as perisperm.