Stellate leaf hairs
Numéro d’image : 11537119
| False colour scanning electron micrograph of stellate leaf hairs on the surface of the hoary mullein Verbascum pulverulentum. This is a perennial herbaceous wild plant,which grows in France. Germany & England. The stellate leaf hairs are typical of alpine plants exposed to strong light & drying winds. They serve a biological function for the leaf by limiting transpiration & reducing surface temperature. The density of the hairs lends the leaf a white appearance. It is held that the hairs were scrapped from the leaves,rolled like cotton & used as wicks in the lamps of the neolithic flint miners at Grimes Graves,Norfolk. Magnification: X 37 at 35mm size. Original is BW print B745/079 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 3591 px × 4970 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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