THE SEXUAL REPRODUCTIVE SYSYTEM OF FLOWERING PLANTS

THE DIFFERENT PARTS OF A FLOWER

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• Flowers are the reproductive organs of flowering plants.
• Produce fruit and seeds.
• Seeds germinate to produce new plants.
• Each part of a flower has its function

FLOWERS AND ITS FUNCTION

• Petal - attracts for pollination
• Sepal - protects the flower
• Anther - produces pollen grains
• Pollen grain - stores male gametes
• Filament - holds the anther

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• Stigma - receives pollen grains
• Style - holds the stigma
• Ovary - produces & stores female gametes
• Nectary - produces nectar

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• Have both stamens and pistils
• Have either only stamens or only pistils

THE REPRODUCTIVE PARTS OF A FLOWER

THE MALE REPRODUCTIVE PARTS

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• The male part of a flower is stamen
• Consist of anther and filamen
• Anther produces pollen grains
• Pollen grains contain the male gametes

THE FEMALE REPRODUCTIVE PARTS

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• The female reproductive part is pistil
• Consists of stigma, style and ovary
• Ovary produces the ovules
• Ovules contain the female gametes
• Ovules attached to ovary walls