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What Are the Sex Organs of the Flower?
What Are the Sex Organs of the Flower?. Plants that have flowers are known as angiosperms, or flowering plants. The reproductive organs of these plants is the flower, which is made up of many parts, including petals, carpels and stamens. Carpels and stamens comprise the sex organs of the flower; the carpal is the female part that produces the eggs...
Plants that have flowers are known as angiosperms, or flowering plants. The reproductive organs of these plants is the flower, which is made up of many parts, including petals, carpels and stamens. Carpels and stamens comprise the sex organs of the flower; the carpal is the female part that produces the eggs and the stamen is the male part that produces the pollen.
Female Parts
The female reproductive organ, the carpal, is also referred to as the pistil. It usually is found in the center of the flower and is made up of ovaries, stigmas and styles. The ovary produces the ovule, or egg, the basic reproduction cell. This part of the flower becomes the seed after fertilization. The ovary is connected to the stigma by the style. The stigma's job is to receive pollen grains during the fertilization process. Some flowers contain just one pistil, while others can contain five or more.
Male Parts
The stamen of the flower is the male reproductive organ. It is composed of filaments, anthers and pollen grains. The filament connects the anther to the flower. The anther possesses cavities in which pollen grains are produced. These pollen grains are small but there are so many that they appear as powder. The pollen grains fertilize the ovary to produce a seed.
The Reproductive Process
The pollen grains (collectively known as pollen) fertilize the egg by means of a process called pollination. Bees and other animals help this process along as they move from flower to flower. As the pollen is spread, some of it is deposited on the stigma. The pollen grains on the stigma develop into tubes that burrow into the ovary. The ovary is fertilized and develops into a seed.
Types
There are various types of flowers based on their parts. Perfect flowers have both male and female parts. Imperfect flowers have one or the other. Some plants have both male and female imperfect flowers on them, while others contain male flowers on one plant and female flowers on another. A male flower also is known as a staminate and a female is called a pistillate.
