this wild banana (Musa rubinea) is only known to occur in the Nujiang, Cangyan County in the western Chinese province of Yunnan on the border with Myanmar. Because of its beauty, it is used as an ornamental species in horticulture.
Häkkinen, M., and CH Teo. 2008. Musa rubinea, a new Musa species (Musaceae) from Yunnan, China. Folia Malaysiana 9: 23-33. http://www.foliamy.com/content4.htm