A wild banana (Ensete perrieri) has been classified as Critically Endangered by the IUCN. These are only found in Madagascar, where there are just five mature trees left in the wild. In light of this, scientists are advocating its conservation as it may hold the secret to saving the Cavendish banana. This cultivar could go into extinction in years to come due to its vulnerability to Fusarium (a disease also known as Panama disease that attacks the root of banana trees). Read more.