Hooked seed heads of Lesser Burdock (Arctium minus). Seed dispersal by animals is achieved by the presence of small hooks that entangle with fur. This mechanism was the inspiration for the invention of velcro by George de Mestral,a Swiss inventor,in 1955 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bloemen, Dr. J. |
Taille de l’image : | 3631 px × 4843 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |