Banana is the best fruit for the heart Funny fact is that the fruit itself grows from a flower called the â??banana heartâ?? It is very richin potassium This fruit is common in Sri Lanka and comes in the different variant Almost 20 types of bananas are available in Sri Lanka In western countries it is possible to buy Bananas mostly imported from south A merican countries which are usually big Sri Lankan bananas on the contrary are smaller but more sweet than the bigger types