Leaf (plant): nf A leaf is a part of the plants which arises from the stem and sometimes from the root, and whose appearance is most often that of a thin green blade (due to chlorophyll). leaves is an essential organ of a plant for photosynthesis (*), the leaf most often consists of a blade and a petiole (See these words). The leaves make up the foliage. (*) Photosynthesis: Production of carbohydrates by plants, algae and certain bacteria ...
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