Working of flowers

In many species of flowering plants, each flower produced contains both male and female parts; in others, male and female flowers grow seperately, sometimes even on seperate plants.
   The male flower part is known as the stamen. The female flower part is known as the pistil. The anther, part of the stamen, produces pollen, the male reproductive cells. The stigma, part of the pistil, receives the pollen.
  The pollen migrates inside the flower to the ovary, where it fertilizes the ovules, or egg cells, inside. The fertilization process initiates the production of seeds by the flower.
FAST FACT southeast Asia's rafflesia has blossoms as big as Hula - Hoops that can weight 15 pounds.