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"Plant cuticles are a protective waxy covering produced only by the epidermal cells [1] of leaves, young shoots" -wikipedia

The cuticle is a thin layer of wax which helps waterproof leaves and makes it harder for water to evaporate or transpire from the leaves of a plant. It is a evolutionary adaptation for plants which live in arid climates. The following is a diagram of plant tissue:

http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg

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14y ago

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