Common sundew, light micrograph

Common sundew, light micrograph

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: Common sundew. Light micrograph of a section through the leaf of a common sundew (Drosera rotundifolia) plant, showing the glandular hairs (dark). This carnivorous plant has leaf-bearing emergences, penetrated by a single vascular bundle. The glandular hairs secrete a sticky liquid with a fragrance that attracts insects. The insects get stuck on the glands, which then bend to the middle of the leaf to enclose the prey. The glands then secrete digestive enzymes to break down the prey's body. The plant then absorbs the nitrogenous nutrients that are released. Magnification: x13, when printed 10 centimetres wide.

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Keywords: angiosperm, angiosperms, biological, biology, botanical, botany, carnivore, carnivorous, cell, cell biology, cells, close-up, common sundew, cytological, cytology, detail, dicot, dicots, dicotyledon, dicotyledons, digestive gland, drosera rotundifolia, glands, glandular hair, hairs, histological, histology, insectivore, insectivorous, leaf, light micrograph, light microscope, microscopy, plant, plants, round-leaved sundew, section, sectioned, stain, stained, structural, structure, structures, tissue, white background

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