Hypericum stigma (brown) with pollen grains (pink and yellow),coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants. The stigma is the female part of a flowering plant. Pollen grains that settle here can end up fertilising the flower,producing the seed for a new plant. Magnification: x230 when printed at 10 centimetres across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH |
Bildgröße: | 4861 px × 3638 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |