Welwitschia plant leaf, SEM
Numéro d’image : 12525899
| Welwitschia plant leaf. Coloured scanning electron micrograph (SEM) of a section through a leaf of the desert plant Welwitschia mirabilis. Large vascular bundles (orange/grey) are seen running through the leaf. These carry water and nutrients to and from the leaf. This plant lives in the arid desert of south-western Africa. It extracts all the moisture it needs from fogs which cover the desert at times. It only has two leaves, which grow from a thick root embedded in the ground. The leaves grow throughout the life of the plant, which may be as long as 2000 years. Magnification: x30 at 6x7cm size. x50 at 4x5ins | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / EYE OF SCIENCE |
| Taille de l’image : | 3200 px × 4000 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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