"Texas Star" is a name given by TyTy. This nursery has been the laughing-stock among online plant-enthusiasts for years.
The link you came up with looks like an unserious business. When buying banana-plants it's important to use a trustworthy source. It is incredibly easy to mix up landraces and species that look identical, but still are very different. One example is E-bay. You never know what you get there.
Here are a few banana-plant sellers with a good reputation:
www.worldwideplants.com
www.going-bananas.com
http://www.greenhousebusiness.com/bananaplants.html