Banana is vegan.

Banana is the common name used for herbaceous plants of the genus Musa, and is also the name given to the fruit of these plants. They are native to the tropical region of Southeast Asia, the Malay Archipelago, and Australia. Today, they are cultivated throughout the Tropics. Bananas are a valuable source of Vitamin A, Vitamin B6, Vitamin C, and potassium. (Source: Wikipedia)