NietneriaNietneria is a genus of plants in the Nartheciaceae. It has two known species, both native to northern South America.SpeciesThe genus contains the following species:Nietneria corymbosa Klotzsch & M.R.Schomb. ex B.D.Jacks. - Guyana, Amazonas + Bolívar States in VenezuelaNietneria paniculata Steyerm. - Bolívar State in Venezuela, Guyana, in the Brazilian State of Amazonas