Clematis stamens. Close-up of a Clematis (Clematis 'Lasurstern') flower,showing the stamens (centre) laden with pollen grains (yellow). Stamens are male reproductive structures that consist of a filament topped by a pollen-bearing anther. They surround the female part of the flower,which consists of a style topped by a sticky tip (stigma),not seen. Pollen grains,the male sex cells of a flowering plant,land on the stigma and burrow down through the style to the ovary,where they fertilise the ova (eggs) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 2848 px × 4256 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |