Authors: Smith, James F.; Skog, Laurence E.
Publication: Novon
Year: 1993
Genera: Columnea

A monographic study of sections Pentadenia and Stygnanthe of Columnea (Gesneriaceae) has revealed four species new to science and two new combinations. These species are described here and include C. atahualpae and C. hypocyrtantha of section Pentadenia, and C. manabiana, C. suffruticosa, C. ultraviolacea, and C. xiphoidea of section Stygnanthe.