Pumpkin flower pistil. Coloured scanning electron micrograph (SEM) of the surface of a pumpkin (Cucurbita sp.) flower pistil. A pistil is the female reproductive structure,composed of one or more carpels. Each carpel possesses a stigma,style and an ovary (not seen). The ovules in the ovary are fertilised by the male sex cells. Each carpel may then ripen to produce a seed bearing fruit. Magnification: x100 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 3817 px × 3100 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |