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In each of these whorls are one of four organs, including petals, sepals, stamens, and pistils. Petals and sepals do not play an active role in the reproductive process. Stamens and pistils, the flower's male and female reproductive organs, do aid in reproduction.
Stamen. The stamen is the pollen-producing reproductive organ of a flower. Stamens typically consist of a stalk called the filament, and an anther, which contains microsporangia. Anthers are most commonly two-lobed and are attached to the filament either at the base or in the middle portion.tamen. The stamen is the pollen-producing reproductive organ of a flower. Stamens typically consist of a stalk called the filament, and an anther, which contains microsporangia. Anthers are most commonly two-lobed and are attached to the filament either at the base or in the middle portion.