Q. What are the gynoecium and the androecium? What are the other structures of flowers?
Androecium is set of male reproductive structures of flowers it comprehends the stamens formed of filament and anther; one flower has one androecium that may have one or several stamens. Gynoecium is set of female reproductive structures of flowers and it generally is composed of a single pistil that includes the stigma, the style and the ovary. The androecium generally surrounds the central gynoecium.
Moreover the androecium and the gynoecium typical flowers are also made of peduncle, sepals and petals.