Pollen
Pollen or pollen grains are the male gametes of flower. When you touch a ripen flower sometimes you realized that your fingers or sleeves got colored by some kind of dusty particles. Those particles are called pollen or pollen grains. During fertilization pollen go to land in the stigma with the help of vectors like insects or animals or wind. After landing in the stigma the pollen will produce tube like projection to reach the ovary and fertilize the egg in there.
See: Typical flower
See: Typical flower
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