Nepenthes ampullaria, unlike other members of its genus, has evolved away from carnivory and the plants are partly detritivores, collecting and digesting falling leaf litter in their pitchers.[7][8][9]
^Moran, J.A., C.M. Clarke & B.J. Hawkins 2003. From carnivore to detritivore? Isotopic evidence for leaf litter utilization by the tropical pitcher plant Nepenthes ampullaria. International Journal of Plant Sciences164(4): 635–639. doi:10.1086/375422
^Pavlovič, A., Ľ. Slováková & J. Šantrůček 2011. Nutritional benefit from leaf litter utilization in the pitcher plant Nepenthes ampullaria. Plant, Cell & Environment34(11): 1865–1873. doi:10.1111/j.1365-3040.2011.02382.x
^Pavlovič, A. 2012. Adaptive radiation with regard to nutrient sequestration strategies in the carnivorous plants of the genus Nepenthes. Plant Signaling & Behavior7(2): 295–297. doi:10.4161/psb.18842
^Phillipps, A. & A. Lamb 1996. Pitcher-Plants of Borneo. Natural History Publications (Borneo), Kota Kinabalu.
^Phillipps, A., A. Lamb & C.C. Lee 2008. Pitcher Plants of Borneo. Second Edition. Natural History Publications (Borneo), Kota Kinabalu.