Begonia rex

Begonia rex

Begonia rex Putz.
Engl.: king begonia, painted-leaf begonia.
Deu.: Königs-Begonie.
Suom.: kuningasbegonia.
Sven.: rexbegonia.
Bot. syn.: Begonia longiciliata C. Y. Wu.

I have no articles for this botanical term, but there might be some for the next level down (if found).