Nepenthes jacquelineae is thought to be most closely related to N. flava,Wistuba, A., J. Nerz & A. Fleischmann 2007. flava, a new species of Nepenthaceae from the northern part of Sumatra. Blumea 52(1): 159–163. N. inermis, N. jamban,Lee, C.C., Hernawati & P. Akhriadi 2006. Two new species of Nepenthes (Nepenthaceae) from North Sumatra. Blumea 51(3): 561–568. N. talangensis, and N. tenuis. It shares with these species features such as infundibulate pitchers which are wholly glandular on their inner surfaces, bracteate inflorescences, and sessile leaves. All of these Nepenthes produce very viscous pitcher fluid.
