This species comes from the Barisan range in Sumatra where it grows sympatrically with other iconic Nepenthes species such as dubia and lingulata. “Jamban” translates to “toilet” in Bahasa indonesia which is a suiting name for the shape of this incredible species. These are best grown in highland conditions.
Seed grown plants are from Christian Klein.
Borneo Exotics plants available are the best clones from BE-3276. The new catalog number is BE-3875