Orange Wallpaper

About Orange Wallpaper Android App

The orange is the fruit of the citrus species Citrus sinensis in the family Rutaceae. It is also called sweet orange to distinguish it from the related Citrus aurantium referred to as bitter. The sweet reproduces asexually varieties of sweet arise through mutations.

The orange is a hybrid between pomelo and mandarin. It has genes that are 25% pomelo and 75% mandarin however, it is not a simple backcrossed BC1 hybrid but hybridized over multiple generations. The chloroplast genes and therefore the maternal line seem to be pomelo. The sweet orange has had its full genome sequenced. Earlier estimates of the percentage of pomelo genes varying from 50% to 6% have been reported.

Sweet oranges were mentioned in Chinese literature in 314 BC. As of 1987, orange trees were found to be the most cultivated fruit tree in the world. Orange trees are widely grown in tropical and subtropical climates for their sweet fruit. The fruit of the tree can be eaten fresh or processed for its juice or fragrant peel. As of 2012, sweet oranges accounted for approximately 70% of citrus production.

All citrus trees belong to the single genus Citrus and remain almost entirely interfertile. This includes grapefruits lemons limes oranges and various other types and hybrids. As the interfertility of oranges and other citrus has produced numerous hybrids and cultivars and bud mutations have also been selected their taxonomy is fairly controversial confusing or inconsistent. The fruit of any citrus tree is considered a hesperidium a kind of modified berry it is covered by a rind originated by a rugged thickening of the ovary wall.

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