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Stamens are the male reproductive structures of a flower, responsible for producing pollen. A typical stamen consists of a filament and an anther. The anther contains microsporangia, which release pollen when mature. In most flowers, stamens are positioned between the perianth (the outer floral parts) and the carpels (the female reproductive structures). Sometimes, stamens or their components may fuse; for example, in the Asteraceae family, the anthers often fuse to form a tube. In certain ornamental plant cultivars, the perianth appears more elaborate as a result of some stamens transforming into tepal-like structures.
