Nepenthes stenophylla ( /nɨˈpɛnθiːz ˌstɛnɵˈfɪlə/), or the Narrow-Leaved Pitcher-Plant, is a tropical pitcher plant endemic to Borneo. The species produces attractive funnel-shaped pitchers up to 25 cm high. It is listed as Least Concern on the IUCN Red List. Nepenthes stenophylla belongs to the loosely defined "N. maxima complex", which also includes, among other species, N. boschiana, N. chaniana, N. epiphytica, N. eymae, N. faizaliana, N. fusca, N. klossii, N. maxima, N. platychila, and N. vogelii.
The specific epithet stenophylla is formed from the Greek words steno (narrow) and phylla (leaves), and refers to the shape of the lamina.
Read more about Nepenthes Stenophylla: Nepenthes Fallax, Natural Hybrids, Notes