Nepenthes reinwardtiana is a tropical pitcher plant native to Borneo and Sumatra and to a number of smaller surrounding islands including Bangka, Natuna, Nias, and Siberut. Although some sources have
Nepreinwardtiana
Upper pitchers of a plant identified as N. naquiyuddinii
Nepenthes gracilis, or the slender pitcher-plant, is a common lowland pitcher plant that is widespread in the Sunda region. It has been recorded from Borneo, Cambodia, Peninsular Malaysia, Singapore,
Nepenthes reinwardtiana
…to have diverged relatively early during the diversification of the genus. Unlike the morphology suggests, N. reinwardtiana is not closely related to Nepenthes gracilis, nor Nepenthes murudensis nor Nepenthes tobaica nor other Sumatran species. Nepenthes reinwardtiana var. samarindaensis J.H.Adam & Wilcock (1993…
N. gracilis 1
Nepenthes gracilis habitat in Pahang, Peninsular Malaysia