Nepenthes rafflesiana has only been recorded from the west coast of Sumatra, between Indrapura and Barus.
Barus |
Their presence has been recorded in Lobu Tua Inscription dating from 1088 about Five Hundred Lords of Ayyavolu, a Tamil merchant guild in Barus, an ancient port town currently located in Central Tapanuli Regency, North Sumatra.