VS.

Nucellus vs. Endosperm

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Nucellusnoun

(botany) The tissue which surrounds and protects the embryo and lies inside of the integuments.

Endospermnoun

(biology) tissue surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo; usually triploid

Nucellusnoun

See Nucleus, 3 (a).

Endospermnoun

The albumen of a seed; - limited by recent writers to that formed within the embryo sac.

Nucellusnoun

central part of a plant ovule; contains the embryo sac

Endospermnoun

nutritive tissue surrounding the embryo within seeds of flowering plants

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Endosperm

The endosperm is a tissue produced inside the seeds of most of the flowering plants following double fertilization. It is triploid (meaning three chromosome sets per nucleus) in most species, which may be auxin-driven.

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