Flower is mainly the reproductive part of plant. Due to different colors of flowers we are able to recognize the plant.
Different parts of flower: Petals, Sepals, Pistil, Stamen.
Petals: The colored part of flower that covers the reproductive part of flower.
Sepals: The outermost green color part that enclose the bud.
Stamen: The pollen producing part of flower. It has two parts, first is anther which contains pollen grains and second is filament, the tube like structure supporting anther.
Structure of stamen
Pistil: The innermost part which produces ovules.
It has 3 parts, first is stigma, the upper part receives pollen grain for fertilization. Second is style a long hollow tube like structure join stigma and ovary. Third is ovary in which ovules are produced.
The mature ovary develops into fruit and the mature ovules develop into seeds.