Nepenthes stenophylla

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Nepenthes stenophylla
Gunung Murud logging road N. stenophylla 15.jpg
Upper pitchers of N. stenophylla growing along a logging road to Mount Murud
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Nepenthaceae
Genus: Nepenthes
Species: N. stenophylla
Binomial name
Nepenthes stenophylla
Mast. (1890)[2]

Nepenthes stenophylla /nˈpɛnθz ˌstɛnˈfɪlə/, or the Narrow-Leaved Pitcher-Plant,[5] is a tropical pitcher plant endemic to Borneo.[6] The species produces attractive funnel-shaped pitchers up to 25 cm high.[7] It is listed as Least Concern on the IUCN Red List.[1] 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.[8]

The specific epithet stenophylla is formed from the Greek words steno (narrow) and phylla (leaves), and refers to the shape of the lamina.

The illustration of N. stenophylla from Danser's 1928 monograph, based on the type specimen of N. fallax[6]

Nepenthes fallax[edit]

There has been confusion surrounding N. stenophylla and N. fallax[note a] ever since the latter was first described. Nepenthes fallax matches N. stenophylla in most respects, except for the shape of the lid; the type specimen of N. fallax has an orbiculate lid, whereas that of N. stenophylla is narrow. However, the original description of N. stenophylla was based on a plant raised from seed in a greenhouse in England, and the narrow shape of the lid could be an aberrant characteristic resulting from artificial growing conditions.[6]

In his seminal monograph "The Nepenthaceae of the Netherlands Indies", B. H. Danser treated N. fallax as a heterotypic synonym of N. stenophylla.[9] This interpretation has been supported by most subsequent authors.[6][7][10][11] Jan Schlauer, however, considers the taxa as two separate species based on the shape of the lid.[6][12][13] He suspects the taxon originally named as N. stenophylla may have later been named again as N. faizaliana.[14]

Nepenthes fallax has a separate conservation status of Vulnerable on the IUCN Red List.[15]

Natural hybrids[edit]

The following natural hybrids involving N. stenophylla have been recorded.


a.^ Nepenthes fallax is /nˈpɛnθz ˈfælæks/. The specific epithet is derived from the Latin word fallax, meaning "spurious".


  1. ^ a b Clarke, C.M.; Cantley, R.; Nerz, J.; Rischer, H.; Witsuba, A. (2000). "Nepenthes stenophylla". IUCN Red List of Threatened Species. IUCN. 2000: e.T39699A10252734. doi:10.2305/IUCN.UK.2000.RLTS.T39699A10252734.en. Retrieved 12 April 2017. 
  2. ^ Masters, M.T. 1890. New or noteworthy plants. Nepenthes stenophylla, Mast., sp. n.. The Gardeners' Chronicle, series 3, 8(192): 240.
  3. ^ (in Latin) Hooker, J.D. 1873. Ordo CLXXV bis. Nepenthaceæ. In: A. de Candolle Prodromus Systematis Naturalis Regni Vegetabilis 17: 90–105.
  4. ^ (in German) Beck, G. 1895. Die Gattung Nepenthes. Wiener Illustrirte Garten-Zeitung 20(3–6): 96–107, 141–150, 182–192, 217–229.
  5. ^ Phillipps, A. & A. Lamb 1996. Pitcher-Plants of Borneo. Natural History Publications (Borneo), Kota Kinabalu.
  6. ^ a b c d e f g h i j Clarke, C.M. 1997. Nepenthes of Borneo. Natural History Publications (Borneo), Kota Kinabalu.
  7. ^ a b Cheek, M.R. & M.H.P. Jebb 2001. Nepenthaceae. Flora Malesiana 15: 1–157.
  8. ^ Robinson, A.S., J. Nerz & A. Wistuba 2011. Nepenthes epiphytica, a new pitcher plant from East Kalimantan. In: McPherson, S.R. New Nepenthes: Volume One. Redfern Natural History Productions, Poole. pp. 36–51.
  9. ^ Danser, B.H. 1928. The Nepenthaceae of the Netherlands Indies. Bulletin du Jardin Botanique de Buitenzorg, Série III, 9(3–4): 249–438.
  10. ^ Jebb, M.H.P. & M.R. Cheek 1997. A skeletal revision of Nepenthes (Nepenthaceae). Blumea 42(1): 1–106.
  11. ^ McPherson, S.R. 2009. Pitcher Plants of the Old World. 2 volumes. Redfern Natural History Productions, Poole.
  12. ^ Schlauer, J. N.d. Nepenthes fallax. Carnivorous Plant Database.
  13. ^ Schlauer, J. 1996. N.stenophylla, once again. Carnivorous Plant Mailing List, May 31, 1996.
  14. ^ Schlauer, J. N.d. Nepenthes stenophylla. Carnivorous Plant Database.
  15. ^ Clarke, C.M., R. Cantley, J. Nerz, H. Rischer & A. Witsuba 2000. Nepenthes fallax. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 10 May 2006. Listed as Vulnerable (VU D2 v2.3).
  16. ^ Phillipps, A., A. Lamb & C.C. Lee 2008. Pitcher Plants of Borneo. Second Edition. Natural History Publications (Borneo), Kota Kinabalu.

Further reading[edit]

External links[edit]