What is the female reproductive portion of a flower made up of?

The female reproductive portion of a flower is known as the pistil, which is primarily composed of three parts: the stigma, style, and ovary. The stigma serves as the receptive surface for pollen, where pollination occurs. The style is a slender column that connects the stigma to the ovary, facilitating the passage of pollen tubes. The ovary houses the ovules, which develop into seeds upon fertilization. This structure is essential for the reproductive process in flowering plants, making this answer the correct choice in identifying the components of the female reproductive system of a flower.