Tribulus plant (Tribulus zeyheri) in flower in a desert. Desert plants either have long roots to reach underground water,or flower only after seasonal rains. Photographed in Namib-Naukluft National Park,Namibia | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gibbons, Bob |
Taille de l’image : | 5138 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |