Begonia grandis

Begonia grandis

Begonia grandis Dryand.
Engl.: hardy begonia, Evans begonia.
Deu.: Winterharte Begonie, Japan-Begonie.
Bot. syn.: Begonia evansiana Andr., Begonia sinensis A. DC.

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