Structure of flower consists - 1. Petals, sepals i.e lower part of petals and in some flowers tepals i.e joined both petals and sepals on the lower part of flower.
2. Calyx is the part of the flower which is located at the lower part of sepals i.e it is the part at which the upper part of flower gets support
3. Stamen i.e Androecium is the male reproductive part of flower which is neighboring to the gynoecium i.e the carpel which is located at the centre of the flower. Stamen has two more parts - Anther & Filament. Anther consists of pollen grains and filament is the part of stamen which supports to anther
4. The carpel or pistil i.e Gynoecium is the female reproductive part of the flower which is located at the centre of the it. Gynoecium has another three parts namely - stigma, style & ovary. Stigma is the initial part of gynoecium. Style is the middle and ovary is the final part of gynoecium. Ovary contains reproductive eggs