Periwinkle petal. Coloured scanning electron micrograph (SEM) of a periwinkle petal (family Apocynaceae). Its surface is covered in tiny epidermal hairs,or trichomes (pink),which protect the plant against pests and reduce water loss through evaporation. Magnification: x95 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 2891 px × 3634 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |