Nepenthes deaniana is a tropical pitcher plant endemic to the Philippines, where it grows at an altitude of 1180–1296 m above sea level. The species is known only from the summit region of Thumb Peak, a relatively small, ultramafic mountain in Puerto Princesa Province, Palawan.

Nepenthes gantungensis is a tropical pitcher plant known from a single peak on the Philippine island of Palawan, where it grows at elevations of 1600–1784 m above sea level.