Nepenthes rajah Hook.f. in Trans. Linn. Soc. London 22: 421, t. 72. 1859
Nepenthes rajah in Trans. Linn. Soc. London 22: 421, t. 72. 1859
Holotype: Borneo, Sabah, Mt Kinabalu, alt. 1500 m, H. Low s.n. (K)
Nepenthes rajah in Trans. Linn. Soc. London 22: 421, t. 72. 1859