Nepenthes sumatrana is a tropical pitcher plant endemic to the Indonesian island of Sumatra, after which it is named.
Seedling growing on cliff face
Much taxonomic confusion still surrounds N. sumatrana. These upper pitchers were produced by plants that resemble N. sumatrana, but are atypical of the species.
Nepenthes stenophylla, or the narrow-leaved pitcher-plant, is a tropical pitcher plant endemic to Borneo and occurs at elevations of 900–2,100 m. The species produces attractive funnel-shaped pitchers