Banana flower (Musa acuminata (Colla.) Musaceae family) is sliced and fried as food in the West Indies.  When overripe they are a mild laxative.

A cooked whole banana, fruit and skin, is boiled then eaten to settle stomach infections and diarrhea.  CAUTION: Bananas are often sprayed with pesticides and fungicides.  (More)   (Banana as an edible flower)
Organic bananas require extra care.  Right photo: bananas are covered with an insect and bird proof bag. The fruit is high in vitamin C, B6, folic acid, potassium, riboflavin and magnesium.

A wagon load of plantains outside a market in the Dominican Republic.  Whole cooked plantains are used to resolve digestive problems, gastritis, diarrhea, ulcers.  More about plantains and bananas.

Personal banana plantation in Belize.  Excellent food and medicine.