Endemic to the Philippines (Luzon, Panay, and Sibuyan) 1,0002,000 m. (3,3006,600 ft)EtymologyThe generic name Nepenthes is from the Greek (npenths), a drug bringing relief from grief. A drug of Egypt mentioned in the "Odyssey" as capable of banishing grief or trouble from the mind.The specific epithet is from New Latin: ventricosus meaning "having a swelling on one side" with reference to the swelling appearance in the middle of the pitcher.