Complex sentence: Fe'i bananas are cultivated varieties (cultivars), rather than wild forms, distinctly different from the much more common bananas and plantains derived from "Musa acuminata" and "Musa balbisiana".
Split into simpler sentences: Fe'i bananas are cultivated varieties (cultivars), rather than wild forms. They are distinctly different from the much more common bananas and plantains derived from "Musa acuminata" and "Musa balbisiana".