Orange is an edible citrus fruit obtained of a sweet orange (Citrus × sinensis), of a bitter orange (Citrus aurantium ×) and of an orange trees of other species or hybrids; that is, ancient Asiatic hybrids originating in India, Vietnam or Southern China. It is a fleshy unhesperidio of a peel more or less think and hardened. Its pulp is typically formed of eleven sections or skins full of juice, which contains lots of vitamin C, flavonoids and essential oils.