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Morphology of Flowering Plants
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Food storing tissue of a seed is endosperm. In flowering plants, it is produced as a result of double fertilisation. In most monocot and some dicot seeds, the food reserve remains in the endosperm. They are called endospermic or albuminous seeds, e.g., cereals, castor bean, coconut, rubber. In majority of dicot seeds (e.g., pea, gram, bean, mustard, groundnut) and some monocot seeds (e.g., orchids, Sagittaria), the endosperm is consumed during seed development and the food is stored in cotyledons and other regions. They are called non-endospermic or exalbuminous seeds.