Marram grass section, LM

Marram grass section, LM

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Credit: GERD GUENTHER/SCIENCE PHOTO LIBRARY

Caption: Ammophila arenaria leaf. Light micrograph of a section through a marram grass (Ammophila arenaria) leaf in fluorescence light, showing the characteristics that help reduce water loss. The outer epidermis consists of a layer of thick cuticle and layers of thick walled sclerenchyma (green), while the inner epidermis is folded and hairy to trap water vapour. Chloroplasts (dark-red), phloem (blue) and xylem vessels (green) can also be seen. Microscopic contrast technique : Incident fluorescence with ultraviolet excitation. Magnification: 180x when printed 10 centimetres wide.

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Keywords: ammophila arenaria, angiosperm, angiosperms, arid adapted, biological, biology, black background, botanical, botany, flora, fluorescence, hairy, histological, histology, layer, leaf, light micrograph, lm, marram grass, monocotyledon, nature, outer epidermis, phloem, plant, plants, section, stained, structural, structure, vascular bundle, vessel, xerophyte, xerophytic, xylem vessels

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