Justicia potarensis (Bremek.) Wassh., comb. nov., sec. D.C. Wasshausen & al. 2005
- ≡Duvernoia potarensis Bremek. in Bull. Misc. Inform. Kew 1939: 560. 1940
- Holotype: Guyana, Potaro R., Kaieteur Falls, Sandwith 1418
- =Duvernoia potarensis var. tetrapora Bremek. in Bull. Misc. Inform. Kew 1939: 560. 1940
- Holotype: Guyana, below the Kaieteur, Jenman 960