<P> The stamen (plural stamina or stamens) is the pollen - producing reproductive organ of a flower . Collectively the stamens form the androecium . </P> <P> A stamen typically consists of a stalk called the filament and an anther which contains microsporangia . Most commonly anthers are two - lobed and are attached to the filament either at the base or in the middle area of the anther . The sterile tissue between the lobes is called the connective . A pollen grain develops from a microspore in the microsporangium and contains the male gametophyte . </P>

What is the stamen part of a flower