First the 'Flora do Brasil' lists 1 banana sp as native, they name it Musa paradisiaca.
I know it should be Musa x paradisiaca according to 'The Plantlist'.
There are many varieties in shape and taste growing and sold in Brazil.
The land of my friends where I stayed, had two types growing which they call:
'Banana da Prata' and 'Banana da Terra' the last one being a cooking banana with visible seeds inside and a different shape.
Then I still have a photo of the Apple Banana (different again in shape and flavour) taken on a food market in Rio.
Do I enter all those different ones under Musa x paradisiaca??