Heliamphora purpurascens is a species of marsh pitcher plant known only from the summit area of Ptari Tepui in Venezuela, where it grows at elevations of 2,400–2,500 m.
References
Further reading Associazione Italiana Piante Carnivore. Fleischmann, A. & S. McPherson (2010). Some ecological notes on Heliamphora (Sarraceniaceae) from Ptari-tepui. Carniflora Australis 7(2): 19–31. Nerz, J. & A. Wistuba (June 2006). Heliamphora exappendiculata, a clearly distinct species with unique characteristics. Carnivorous Plant Newsletter 35(2): 43–51.