sentences: "Nepenthes mantalingajanensis" appears to be most closely allied to the Palawan endemics "N. attenboroughii", "N. deaniana", "N. leonardoi", and "N. mira", as well as the Mindanao endemic "N. peltata".It can be distinguished from all of these species on the basis of its smaller size and narrower lamina, typically with an acute apex.