Derris dasycalyx (Harms) N.F.Mattos
Derris dasycalyx is the name of a species, part of the genus Derris.
This name is an alternative combination by N.F.Mattos of an original description of species by Harms under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany