Christmas cactus flower pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a christmas cactus flower (Schlumbergera truncata) . Pollen grains are the male gametes (sex cells) of a plant. Magnification: x1340 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4520 px × 3900 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |