Nepenthes distillatoria is found in Sinharaja rain forest in Sri Lanka. This is a lowland endemic species which is native to Sri Lanka (Anon, 2000).
This species has been included in red list of International Union for Conservation of Nature and Natural Resources (IUCN) as endangered species since 2000 (Anon, 2012).
Further, Nepenthes distillatoria is named as conserved plant in the Convention on International Trade in Endangered Species of wild fauna and flora (CITES) in appendix II.
Pitcher plant has many potential uses, which are not fully explored (Phillips and Lamb, 1989).