Coloured SEM of the leaf of marram grass

Coloured SEM of the leaf of marram grass

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Caption: Marram grass leaf. Coloured scanning electron micrograph (SEM) of the leaf surface of marram grass, Ammophila arenaria. It is deeply grooved, with the stomata (breathing pores) set in the bottom of the grooves to prevent excessive evaporation. The leaf surface is covered in a dense wax, which protects the plant against drying conditions. The hairs, which are single-celled, discourage foraging animals and also reduce air currents and so help prevent evaporation. Marram grass is important in coastal ecology since it stabilises sand dunes. It is frequently planted for this purpose. Magnification: x77 at 5x7cm size. Magnification; x195 at 5x7" size.

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Keywords: ammophila arenaria, botany, hair, leaf, leaf hair, leaves, marram grass, nature, plant, plants

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