Nepenthes eustachya Nepenthes eustachya Miq. in Fl. Ned. Ind. 1: suppl. 151. 1858Lectotype: Sumatra, Sibolga, on the coast,, Feb. 1856., Teijsmann 529 (BO)Isotype: Sumatra, Sibolga, on the coast,, Feb. 1856., Teijsmann 529 (BO)