Leaves Coloring Pages

The leaves are an aerial organ considered an appendage of the Caule, generally laminar, expanded, and thin. Get leaves coloring pictures on this page.

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Leaves Coloring Pages

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The main task of the leaf is to regulate the transpiration and breathing processes of the plants.

The significant differences in leaf morphology are between Conifers (needle-shaped leaves) and Dicotyledons, with bifacial leaves if the two faces are different and isofacial if the two surfaces are the same.

The leaves originate from the branches or the stem. It has a very different shape depending on the stage of maturity. In general, it has a laminar shape.

It is mainly inside the leaves that photosynthesis takes place. From the botanical point of view, there are several parts with specific names.

The main ones are two: the petiole and the flap or leaf lamina, the petiole connects the flap to the branch to which it is attached through a more or less evident sheath.

In the flap, you can recognize a lower and an upper page as well as the ribs where water and mineral salts pass through, which, once processed by the cells in charge through photosynthesis, allow the movement of nutrients to the whole plant, the apex, and the margin.

As we know, there is an upper page. A lower one in the foliage, garlicky transversally the leaf, there are the following tissues.

In the more external parts (upper and lower), the epidermis is covered by a protective waxy substance, the cuticle more abundant.

In the upper part, a more or less homogeneous tissue constitutes the central part except for the disposition, composition, and structure of the cells that in the upper part are very close to each other, with abundant chloroplasts and slightly elongated.

In the lower part, instead, we find more intercellular spaces, fewer chloroplasts, and more globular cells, more scattered here and there the stomata.

These are tiny openings controlled by the plant through two cells placed at the edge of the opportunity itself called guard cells, which allow all the gaseous exchanges of the plant (transpiration and entry and exit of oxygen and carbon dioxide).

The leaves more than any other part of a plant are the most varied for shape and color, and botanically many distinctions are depending on whether these variations depend on the foliar flap or the margin or the type of junction, insertion, on the branches or the veins.