London, United Kingdom
Flower Stigma, Sem
Photograph - Photograph
Flower stigma. Coloured scanning electron micrograph (SEM) of a flower's stigma (orange) and style (brown). These are part of a plant's female reproductive structures. Pollen grains, a flower's male reproductive cells, land on the stigma and burrow a tube down through the style to the ovary, where they fertilise the female sex cell (ovule). Magnification x40 when printed at 10 centimetres wide.
May 1st, 2013
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