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.
Novae Gesneriaceae Neotropicarum V. Four New Species and Two New Combinations in Columnea from South America
Publication: Novon
Year: 1993
Genera:
Columnea