Bananas are the fruit of the banana plant that are of the genus Musa. They are native to tropical Southeast Asia, and are likely to have been first domesticated in Papau New Guinea. Today, bananas are cultivated throughout the tropics.They are grown in at least 107 countries, primarily for their fruit, and also, to a lesser extent, to make fiber and as ornamental plants. they are native to tropical south east Asia, first cultivated in Papua New Guinea. Bananas are a tasty treat that 2  …. Using the Fruit Diet for Weight Loss Fruit has a large array of benefits to aid in healthy weight loss. 3  Containing minerals, vitamins, and phytochemicals, fruits can boost your health. 4  They have a low level of s….