Androecium is the 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 the set of female reproductive structures of flowers. It generally is composed of a single pistil that includes the stigma, the style and the ovary. The androecium usually surrounds the central gynoecium.
Besides the androecium and the gynoecium typical flowers are also made of peduncle, sepals and petals.
