STEFAN DILLER / SCIENCE PHOTO LIBRARY STEFAN DILLER / SCIENCE PHOTO LIBRARY
Spanish pepper (Capsicum annuum) leaf trichomes, coloured scanning electron micrograph (SEM). The leaf has been freeze-fractured, revealing the internal cellular structure. Two trichomes are at right. Trichomes are specialised structures that can be glandular in nature, defend against predators, or help reduce water loss.
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