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Fruit a structure formed from a mature or ripe ovary of any plant species after fertilization has occurred. The term 'fruit' is more conveniently used to refer to the part of the seed suitable for human consumption, eaten fresh, either ripe or young. From the nomadic age to present-day civilized life fruits have been used as food. The earliest cultivated fruit appears to be the date palm. Other fruits like pomegranates, Egypt figs and olives had been popular fruits since 3500 BC. Fruits have pericarps developed from ovary walls and seeds developed from fertilized ovules.
Generally the ovary alone grows into a fruit. But in some cases calyx and thalamus are involved to form false fruits like Dillenia, cashew nut and apple. Simple fruits developed from single ovary, is the character of fruits. Aggregate fruits are developed from numerous ovaries as in jackfruit and pineapple.
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