Cosmos flower pollination. Coloured scanning electron micrograph (SEM) of pollen (red balls) on part of the pistil (female reproductive structure) of a cosmos (Cosmos sp.) flower. Pollen grains are produced by the anthers (male reproductive parts,not seen). Pollen grains that land on a pistil may then transfer a male reproductive cell (male gamete) to the ovary (not seen) where it can fertilise a female gamete,producing the seed for a new plant. Magnification unknown | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 3624 px × 2917 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |