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| The petals of the cotton flower are a creamy white to yellow when the flower first opens. They are narrow at the base and broad at the tip. The petals darken, usually to a dark pink at the end of the first day. Below is a cross section through a petal. |
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The flower has three bracts, usually closed about the square. It also has a calyx, which surrounds the developing bud. Both the bracts and the calyx serve to protect the flower.
In the center of the flower is a five lobed pistil, surrounded by many stamens. Each of the stamens has a two lobed anther that releases pollen. Each pollen grain is viable for about 12 hours after release. The flower has a superior ovary, consisting of two or more locules, or seed chambers. Depending upon the species of cotton, each seed chamber can have 8-12 ovules, 5-9 of which usually mature. Scroll down for labeled diagrams of the cotton flower bud and the mature cotton flower. |
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Read about floral development... |
Introduction Flowers&Fruit Roots Stems Leaves |