I was worried that bringing a plant dug from the ground at flowering would shock it too much but it seems to be working, here's shots from the last few days as new petals opened to reveal little pink edged whitish bananas which soon turn pink. I'm sure this one's going to make it now and hope it will inspire others in climates where bananas wouldn't survive to at least try for some extra success.
A few days later ( today):
I'm thinking that the M. dasycarpa(Velutina) is the perfect plant to grow in a pot or indoors for those climate challenged gardeners who lack the space indoors for a larger plant. This one even in a large , tallish pot would fit in even a small crowded room so literally anyone could successfully grow this one.