Monographs Details: Palicourea jahnii Standl.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Discussion:This taxon is close to P. purdiei Standl. of Colombia, but is distinguished from that species by the smaller corollas, acute and more developed calyx lobes, sparsely puberulent hypanthium, and fewer lateral nerves of the leaf blades.