Transpiration
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Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. It is a passive process that requires no energy expense by the
Stoma in a tomato leaf shown via colorized scanning electron microscope
The clouds in this image of the Amazon rainforest are a result of evapotranspiration.
Plant cuticle
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A plant cuticle is a protecting film covering the outermost skin layer of leaves, young shoots and other aerial plant organs that have no periderm. The film consists of lipid and hydrocarbon polymers
Water beads on the waxy cuticle of kale leaves