Nepenthes dubia ( /nɨˈpɛnθiːz ˈduːbi.ə/) is a tropical pitcher plant endemic to Sumatra, where it grows at an altitude of 1600–2700 m above sea level. The specific epithet dubia is the Latin word for "doubtful".
Read more about Nepenthes Dubia: Botanical History, Description, Ecology, Carnivory, Related Species, Natural Hybrids, Notes