Mimosa flower stamens. Coloured scanning electron micrograph (SEM) of flowers and stamens of Mimosa sp. plants. Many stamens (male reproductive parts) are seen. They comprise a filament that is topped by an anther (pollen sac). Pollen (in the anthers) contains the male reproductive cells. The female reproductive parts are not seen clearly. The leaf-like objects surrounding some of the anthers are the sepals. Magnification: x8 at 6x7cm size.