Green Leaf Wallpaper

The most beautiful wallpaper photos have been carefully selected for you and arranged by all phone models.

All you have to do is; download 4K vertical HD all Green Leaf wallpapers applications, choose one of the 90 best quality HD photos carefully selected and set it as wallpaper.
You can choose another one of the best quality photos in the application and renew 4K vertical HD all Green Leaf wallpapers on your mobile phone anytime you want.

You can find the most beautiful HD wallpaper photos of all kinds of Green Leaf wallpapers in our application.
The most beautiful high-quality wallpaper photos are waiting for you to download to your phone.

The green coloration in the leaves of most plants is due to the presence of chlorophyll, a pigment used to absorb energy from the sun. Wavelengths of light from the visible spectrum (sometimes seen on rainy days as a "rainbow") are absorbed by the chlorophyll, with the exception of the green wavelengths, which are reflected. Young and old leaves very often are red, however. It is curious as to why some leaves begin development with red coloration, become green after they are largely grown and then return to red as they die.

The delayed greening has been studied as an adaptive strategy for the plant. One line of thought is that the young leaves are not yet performing photosynthesis, so they are not capturing energy from the sun and making food, therefore they are without much nutritive value to the plant. There also is little nutritive value to an herbivore. The plant is investing energy to grow the new leaf, so avoidance of herbivory allows the investment a better chance to mature. If being red decreases the risk that the new growth will be eaten by herbivorous animals, then the plant has used a successful strategy. Those species that delay greening have reddish leaves due to a chemical known as anthocyanin. This chemical appears reddish under more acid conditions and more bluish under basic conditions. Because most tissues are acid, the red color typically shows.

When the growing season is over, leaves become red or yellow as the chlorophyll begins to disappear due to shorter days and cooler weather. Red in dying leaves is due to the same pigment--anthocyanin--that made the young leaves red, but yellow coloration is caused by carotene. These fall colors can be therapeutic to humans due to the relaxing effect of the colors. However, the colors already were present; they were just hidden by the green chlorophyll for most of the year. Thus, as leaves of some deciduous plants begin to shed, they may return to the red color they had at the beginning of their life.

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