what is the role of endosperm in the ovule
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Endosperm, tissue that surrounds and nourishes the embryo in the seeds of angiosperms (flowering plants). In some seeds the endosperm is completely absorbed at maturity (e.g., pea and bean), and the fleshy food-storing cotyledons nourish the embryo as it germinates. In others, some of the endosperm is present until germination (e.g., wheat, castor bean), and the cotyledons are typically thin and membranous and serve to absorb the stored food from the endosperm upon germination. In the coconut, the liquid endosperm contains important growth substances. Endosperm accounts for the economic importance of cereal grains and oilseeds.
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