Saturday, November 13, 2010

FLOWER ENCYCLOPEDIA

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Today, we are discussing about the parts of flowers. A flower is the most attractive and beautiful part of plant which attract the insects for polination, which further reproduce more flower. A flower basically has four whorls i.e. seppal, petal, androecium and gynoecium. Sepal is the outer green leaf like structure which protects the flower at budstage. Petal is the colorful part of flower. Androecium is the male part of flower which consist of filament and anther.


Polan grains are produced in polan sacs which is present in anther. Polan grains are yellow colored powdery substance which further help in fertilization. Gynoecium is the female part of the flower consists of stigma, style and ovary. Style is the long tubeless structure from which polan grains travels from stigma to ovary. ovary contains ovules which after fertilization changes into seeds.  And ovary changes into fruits.

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