Pitcher Plant (Nepenthes faizaliana). This is a carnivorous plant.
For more info about this species, read en.wikipedia.org/wiki/Nepenthes_faizaliana
Spotted at the Mulu Pinnacles summit on Gunung Api mountain in Gunung Mulu National Park (Borneo)
For more photos and information about this amazing place, go to the Mulu Pinnacles photo series.