STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Grape vine. Coloured scanning electron micrograph (SEM) of the surface of a grape vine (Vitis sp.). It is covered in hairs and glandular trichomes (red). These structures, which are extensions of the epidermis of the stem, protect the plant against predators and reduce water loss through evaporation.
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