Authors: Clark, John L.
Publication: Gesneriads
Year: 2020
Genera: Gesneria, Rhytidophyllum

A review of current taxonomic treatment of Gesneria and Rhytidophyllum is presented, along with keys to differentiate these two genera from other members of the Gesneriaceae, and for distinguishing between the two themselves.  Common misconceptions about the genera are reviewed and corrected.