Section through marram grass leaf

Section through marram grass leaf

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Caption: Marram grass spines. Light micrograph of a section through part of a leaf of marram grass, Ammophila arenaria, showing surface spines. Marram grass is one of the commonest grasses to stabilise sand dunes. The leaf is rolled into a vertical tube and part of the folded inner surface is shown here. The folds conserve water and withstand salt to prevent excessive evaporation. Spine-like hairs on the surface (pink, pointed) discourage animals from eating the leaf. Inside the leaf, the blue regions are photosynthetic tissue and the colourless large-celled tissue is sclerenchyma. Magnification: x400 at 35mm size.

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Keywords: ammophila arenaria, botany, grass, leaf, leaves, light micrograph, marram, marram grass, nature, plant, plants, section, type

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