The fruit is a characteristic feature of angiosperms (flowering plants).
It is formed as result of fertilization when ovary ripens and converts into fruit.
Those fruits that are formed without fertilization are called parthenocarpic fruits.
Those fruits that develop from ovary along with the other parts of the ovary are called false fruits, e.g., tepals, (e.g., Morus), bracts (e.g., Ananas) or thalamus (e.g., Pyrus).
The wall of the ovary becomes wall of fruit and is called pericarp.
In fleshy fruits the pericarp is differentiated into the epicarp, middle mesocarp and inner endocarp, e.g., mango and coconut.
The fruit of mango and coconut is called drupe.
In mango, there is a clear distinction of outer epicarp (rind), fleshy mesocarp and thin papery endocarp.
In coconut, the mesocarp is fibrous.
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Fleshy mesocarp is the edible portion of the mango.