In the given diagram, flower 'X' and 'Y' contains female reproductive parts of the flower. The female elements are collectively called the pistil. The top of the pistil is called the stigma, which is a sticky surface receptive to pollen, and flower 'Z' contains male reproductive parts of the flowers. The male parts of the flower are called the stamens and are made up of the anther at the top and the stalk or filament that supports the anther.The ovary is the part of the female reproductive structure of the flower, the pistil. Ovary bears ovules inside it.Fruit is a ripened ovary of the plant that develops after fertilization. Ovules in the ovary develop into seed.