Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L. Author Pellegrini, Marco O. O. Author Horn, Charles N. Author Almeida, Rafael F. text PhytoKeys 2018 108 25 83 http://dx.doi.org/10.3897/phytokeys.108.27652 journal article http://dx.doi.org/10.3897/phytokeys.108.27652 1314-2003-108-25 613AFFC18E03FFDEFFA1DB2FFF88FFAE 1409868 4.1. Pontederia azurea Sw., Prodr. 57. 1788. Eichhornia azurea (Sw.) Kunth, Enum. Pl. 4: 129. 1843. Piaropus azureus (Sw.) Raf., Fl. Tellur. 2: 81. 1837. Type. JAMAICA. s.loc., s.dat., Brown s.n. (holotype: S No. S-R-5196!). Distribution. Widespread in the American continent from Mexico to Uruguay.