A person who specializes in or is expert in cultivating, researching, or studying bananas and banana plants.
From banana + -ist (one who practices or specializes in something). This follows scientific naming conventions where -ist denotes a specialist or enthusiast.
Bananists discovered that most commercial bananas are clones of each other—the Cavendish banana, grown globally, has zero genetic diversity, making all banana crops vulnerable to the same diseases!
Complete word intelligence in one call. Free tier — 50 lookups/day.