Begonia x tuberhybrida

Begonia x tuberhybrida

Begonia x tuberhybrida Voss.
Engl.: tuberous begonia.
Deu.: Knollenbegonie.
Suom.: mukulabegonia.
Sven.: knölbegonia.
Fran.: bégonia tubéreux.
Span.: begonia tuberosa.
Bot. syn.: Begonia tuberosa hort.

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