List of Nepenthes natural hybrids

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Nepenthes × kinabaluensis (centre) dwarfs its smaller parent species, N. villosa (left).

This list of Nepenthes natural hybrids is a comprehensive listing of all recorded natural hybrids involving species of the carnivorous plant genus Nepenthes. Hybrids that are not endemic to a given region are marked with an asterisk.

Named natural hybrids[]

Name Parent species Authority Year Image Distribution Altitudinal distribution
N. × alisaputrana N. burbidgeae × N. rajah J.H.Adam & Wilcock 1992 N.alisaputrana huge LP.jpg Borneo
N. × bauensis N. gracilis × N. northiana Chi.C.Lee 2004 Bauensis1.jpg Borneo
N. × cantleyi N. bicalcarata × N. gracilis Hort.Westphal nom.nud. 1991 Nepenthes x cantleyi.jpg Borneo
N. × cincta N. albomarginata × N. northiana Mast. 1884 Nepenthes cincta.jpg Borneo
N. × ferrugineomarginata N. albomarginata × N. reinwardtiana Sh.Kurata 1982 Borneo, Sumatra
N. × harryana N. edwardsiana × N. villosa Burb. 1882 Nepenthesxharryana.jpg Borneo
N. × hookeriana N. ampullaria × N. rafflesiana Hort.Veitch ex Mast. 1881 Nepenthes hookeriana upper.jpg Borneo, Peninsular Malaysia, Singapore, Sumatra 0–450 m[1]
N. × kinabaluensis N. rajah × N. villosa Sh.Kurata ex Sh.Kurata 1984 Kinabalu N. × kinabaluensis 6.JPG Borneo 2420–3030 m[2]
N. × kuchingensis N. ampullaria × N. mirabilis Sh.Kurata 1982 Nepenthes ampullaria x mirabilis.jpg Borneo, New Guinea, Peninsular Malaysia, Sumatra, Thailand
N. × merrilliata N. alata × N. merrilliana Hort. ex nom.nud. 1979 Philippines (Mindanao, Samar[3])
N. × mirabilata N. alata × N. mirabilis Hort. ex nom.nud. 1995 Philippines (Mindanao)
N. × pangulubauensis N. gymnamphora × N. mikei Hort. & ex in sched. nom.nud. 1996 Sumatra
N. × pyriformis N. inermis × N. talangensis Sh.Kurata 2001 Nepenthes x pyriformis.jpg Sumatra
N. × sarawakiensis N. muluensis × N. tentaculata J.H.Adam, Wilcock & 1993 Borneo
N. × sharifah-hapsahii N. gracilis × N. mirabilis J.H.Adam & 2007 N. gracilis x N. mirabilis.jpg Borneo, Peninsular Malaysia, Sumatra, Thailand
N. × trichocarpa N. ampullaria × N. gracilis Miq. 1858 Ntrichocarpa1.jpg Borneo, Peninsular Malaysia, Singapore, Sumatra, Thailand 0–800 m[4]
N. × truncalata N. alata × N. truncata Hort. nom.nud. 1994 Philippines (Mindanao)
N. × trusmadiensis N. lowii × N. macrophylla 1983 N.trusmadiensis-a.jpg Borneo
N. × tsangoya (N. alata × N. merrilliana) × N. mirabilis ex nom.nud. 1995 Philippines (Mindanao)
N. × ventrata N. alata × N. ventricosa Hort. ex nom.nud. 1979 Philippines

By distribution[]

Borneo[]

Left: N. burbidgeae × N. fusca
Right: N. burbidgeae × N. rajah (N. × alisaputrana)
Left: N. gracilis × N. northiana (N. × bauensis)
Right: N. gracilis × N. rafflesiana
Left: N. lowii × N. macrophylla (N. × trusmadiensis)
Right: N. mirabilis × N. northiana
Left: N. rajah × N. tentaculata
Right: N. reinwardtiana × N. stenophylla

Nepenthes natural hybrids recorded from Borneo.

  1. N. albomarginata × N. ampullaria[5] *
  2. ? N. albomarginata × N. chaniana[6]
  3. N. albomarginata × N. clipeata[5]
  4. N. albomarginata × N. hirsuta[5]
  5. N. albomarginata × N. macrovulgaris[6]
  6. N. albomarginata × N. northiana [=N. × cincta][5]
  7. N. albomarginata × N. rafflesiana[6][7]
  8. N. albomarginata × N. reinwardtiana [=N. × ferrugineomarginata][5] *
  9. N. albomarginata × N. veitchii[5]
  10. N. ampullaria × N. bicalcarata[5]
  11. N. ampullaria × N. gracilis [=N. × trichocarpa][5] *
  12. (N. ampullaria × N. gracilis) × N. bicalcarata [=N. × trichocarpa × N. bicalcarata]
  13. N. ampullaria × N. hemsleyana[8]
  14. N. ampullaria × N. hirsuta[5]
  15. N. ampullaria × N. mirabilis [=N. × kuchingensis, Nepenthes cutinensis][5] *
  16. N. ampullaria × N. rafflesiana [=N. × hookeriana][5] *
  17. ? (N. ampullaria × N. rafflesiana) × N. mirabilis [=N. × hookeriana × N. mirabilis][7]
  18. N. bicalcarata × N. gracilis [=N. × cantleyi][5]
  19. N. bicalcarata × N. mirabilis[6] (including N. bicalcarata × N. mirabilis var. echinostoma)[5]
  20. N. bicalcarata × N. rafflesiana[5]
  21. ? (N. bicalcarata × N. rafflesiana) × N. mirabilis var. echinostoma[5]
  22. N. burbidgeae × N. edwardsiana[5]
  23. N. burbidgeae × N. fusca[5]
  24. N. burbidgeae × N. rajah [=N. × alisaputrana][5]
  25. N. burbidgeae × N. tentaculata[5]
  26. N. chaniana × N. veitchii[2][note a]
  27. N. clipeata × N. rafflesiana[2]
  28. N. clipeata × N. reinwardtiana[5]
  29. N. edwardsiana × N. rajah[5]
  30. N. edwardsiana × N. villosa [=N. × harryana][5]
  31. ? N. faizaliana × N. veitchii[2]
  32. N. fusca × N. lowii[2][note b]
  33. N. fusca × N. platychila[9]
  34. N. fusca × N. rajah[5]
  35. N. fusca × N. reinwardtiana[6] [=?N. naquiyuddinii][2]
  36. N. fusca × N. stenophylla[2]
  37. N. fusca × N. tentaculata[2]
  38. N. fusca × N. veitchii[6]
  39. N. gracilis × N. mirabilis [=N. × sharifah-hapsahii, N. × ghazallyana, N. × grabilis, N. neglecta?][5][6] * (including N. gracilis × N. mirabilis var. echinostoma)[5]
  40. N. gracilis × N. northiana [=N. × bauensis][10]
  41. N. gracilis × N. rafflesiana[5] *
  42. N. gracilis × N. reinwardtiana[2] *
  43. N. hemsleyana × N. rafflesiana[8]
  44. ? N. hirsuta × N. lowii[2]
  45. N. hispida × N. reinwardtiana[5]
  46. N. hurrelliana × N. lowii[2][11]
  47. N. hurrelliana × N. veitchii[6]
  48. N. lowii × N. macrophylla [=N. × trusmadiensis][5]
  49. N. lowii × N. muluensis[6]
  50. N. lowii × N. rajah[12]
  51. N. lowii × N. stenophylla[5]
  52. ? N. lowii × N. tentaculata[13]
  53. N. lowii × N. veitchii[5]
  54. N. macrovulgaris × N. rajah[5]
  55. N. macrovulgaris × N. reinwartdiana[5]
  56. N. macrovulgaris × N. tentaculata[5]
  57. N. mirabilis × N. northiana[2]
  58. N. mirabilis × N. rafflesiana[5] * (including N. mirabilis var. echinostoma × N. rafflesiana)[2]
  59. N. mirabilis × N. reinwardtiana[2]
  60. ? N. muluensis × N. tentaculata [=N. × sarawakiensis,[5] ?N. muluensis][2]
  61. N. rajah × N. stenophylla[5]
  62. N. rajah × N. tentaculata[5]
  63. N. rajah × N. villosa [=N × kinabaluensis][5]
  64. N. reinwardtiana × N. stenophylla[5]
  65. N. reinwardtiana × N. tentaculata[6]
  66. N. stenophylla × N. tentaculata[5]
  67. N. stenophylla × N. veitchii[5]

Endemic species with no known natural hybrids:[14]

Nepenthes hurrelliana and N. murudensis are of putative hybrid origin, but are considered species by most taxonomists, as they form stable, fertile populations independent of their original parent species. The same could be said for stable hybrids such as N × kinabaluensis. Indeed, species status has been proposed for this taxon in the past.[15]

Sumatra[]

Left: N. ampullaria × N. eustachya
Right: ? N. beccariana × N. sumatrana
Left: ? N. dubia × N. jacquelineae
Right: N. eustachya × N. sumatrana
Left: N. gracilis × N. sumatrana
Right: N. gymnamphora × N. spectabilis
Left: N. izumiae × N. jacquelineae
Right: N. jamban × N. lingulata
Left: N. mikei × N. ovata
Right: N. mirabilis × N. sumatrana
Left: N. ovata × N. spectabilis
Right: N. rhombicaulis × N. spectabilis
Left: N. rigidifolia × N. spectabilis
Right: ? N. singalana × N. spathulata

Nepenthes natural hybrids recorded from Sumatra.

  1. N. albomarginata × N. ampullaria[16] *
  2. N. albomarginata × N. eustachya[16]
  3. N. albomarginata × N. reinwardtiana [=N. × ferrugineomarginata][16] *
  4. N. ampullaria × N. eustachya[6]
  5. N. ampullaria × N. gracilis [=N. × trichocarpa][16] *
  6. N. ampullaria × N. mirabilis [=N. × kuchingensis, Nepenthes cutinensis][16] *
  7. N. ampullaria × N. rafflesiana [=N. × hookeriana][16] *
  8. N. ampullaria × N. reinwardtiana[16]
  9. N. ampullaria × N. spathulata[17]
  10. N. ampullaria × N. tobaica[16]
  11. N. angasanensis × N. densiflora[16]
  12. N. aristolochioides × N. singalana[16]
  13. ? N. beccariana × N. sumatrana
  14. N. bongso × N. gymnamphora[16]
  15. N. bongso × N. singalana[16]
  16. N. bongso × N. talangensis[16]
  17. N. diatas × N. mikei[16]
  18. N. dubia × N. izumiae[16][note c]
  19. ? N. dubia × N. jacquelineae[6][18]
  20. ? N. dubia × N. jamban[19]
  21. ? N. eustachya × N. gracilis[6]
  22. N. eustachya × N. longifolia[16]
  23. N. eustachya × N. sumatrana[16]
  24. N. flava × N. ovata[20]
  25. N. flava × N. rhombicaulis[20]
  26. N. gracilis × N. mirabilis [=N. × sharifah-hapsahii, N. × ghazallyana, N. × grabilis, N. neglecta?][6][16] *
  27. N. gracilis × N. rafflesiana[16] *
  28. N. gracilis × N. reinwardtiana[16] *
  29. N. gracilis × N. sumatrana[6]
  30. N. gymnamphora × N. mikei[16] [=N. × pangulubauensis]
  31. N. gymnamphora × N. ovata[16]
  32. N. gymnamphora × N. reinwardtiana[16]
  33. ? N. gymnamphora × N. rhombicaulis[6]
  34. N. gymnamphora × N. singalana[16]
  35. N. gymnamphora × N. spathulata[16]
  36. N. gymnamphora × N. spectabilis[16]
  37. N. gymnamphora × N. talangensis[16]
  38. N. inermis × N. singalana[6]
  39. N. inermis × N. spathulata[16]
  40. N. inermis × N. talangensis [=N. × pyriformis][16]
  41. N. izumiae × N. jacquelineae[6]
  42. N. jamban × N. lingulata[21]
  43. ? N. longifolia × N. sumatrana[6]
  44. N. mikei × N. ovata[16]
  45. N. mikei × N. spectabilis[16]
  46. N. mirabilis × N. rafflesiana[16] *
  47. N. mirabilis × N. spathulata[16]
  48. N. mirabilis × N. sumatrana[6]
  49. N. ovata × N. rhombicaulis[16]
  50. N. ovata × N. spectabilis[16]
  51. N. reinwardtiana × N. spathulata[16]
  52. N. reinwardtiana × N. tobaica[16]
  53. N. rhombicaulis × N. spectabilis[16]
  54. N. rhombicaulis × N. tobaica[16]
  55. N. rigidifolia × N. spectabilis[16][note d]
  56. ? N. singalana × N. spathulata[16]
  57. N. spathulata × N. tobaica[16]
  58. N. spectabilis × N. tobaica[16]

Endemic species with no known natural hybrids:[6][21]

Philippines[]

Lower (left) and upper pitchers of putative N. justinae × N. peltata from Mount Hamiguitan, Mindanao
Putative natural hybrids from Mount Hamiguitan
Putative natural hybrids from Mount Hamiguitan

Nepenthes natural hybrids recorded from the Philippines. The N. alata hybrids listed below involve N. alata in the broad sense (sensu lato); this polymorphic taxon has recently been split into a large number of daughter species that now form the so-called "N. alata group".[22][23]

  1. N. alata × N. burkei[6]
  2. N. alata × N. merrilliana [=N. × merrilliata][24]
  3. ? (N. alata × N. merrilliana) × N. mirabilis [=N. × tsangoya][25]
  4. N. alata × N. mindanaoensis[6]
  5. N. alata × N. mirabilis [=N. × mirabilata][4]
  6. ? N. alata × N. petiolata[4]
  7. N. alata × N. pulchra[26]
  8. N. alata × N. truncata [=N. × truncalata][27]
  9. N. alata × N. ventricosa [=N. × ventrata][24]
  10. ? N. pantaronensis × N. sumagaya[28][29]
  11. N. bellii × N. merrilliana[6]
  12. N. bellii × N. mindanaoensis[6]
  13. N. ceciliae × N. pulchra[26]
  14. N. merrilliana× N. mindanaoensis[6]
  15. N. merrilliana × N. mirabilis[6]
  16. N. mindanaoensis × N. truncata[6]
  17. N. mindanaoensis × N. erucoides[30]
  18. N. palawanensis × N. aff. philippinensis[26]
  19. ? N. petiolata × N. truncata[4]

In addition, certain plants from Mount Hamiguitan are likely to represent crosses involving N. hamiguitanensis, N. justinae[31] (previously identified as N. mindanaoensis), N. micramphora, and N. peltata.[26]

Endemic species with no known natural hybrids:[6]

Nepenthes petiolata may itself have evolved from a cross between N. alata and N. truncata.[6] It has been suggested that N. extincta might represent a natural hybrid between N. merrilliana and N. mindanaoensis, as both of these species grow near the type locality of N. extincta and share many morphological features with it.[31]

Plants from Mount Hamiguitan that were originally thought to represent the natural hybrid N. micramphora × N. peltata[6] are now recognised as belonging to a distinct species of possible hybridogenic origin, N. hamiguitanensis.[46]

Peninsular Malaysia and Singapore[]

Left: N. albomarginata × N. gracilis
Right: N. benstonei × N. mirabilis

Nepenthes natural hybrids recorded from Peninsular Malaysia and Singapore.

  1. N. albomarginata × N. ampullaria[16] *
  2. N. albomarginata × N. gracilis
  3. ? N. albomarginata × N. sanguinea[6][47]
  4. N. ampullaria × N. gracilis [=N. × trichocarpa][16] *
  5. N. ampullaria × N. mirabilis [=N. × kuchingensis, Nepenthes cutinensis][16] *
  6. N. ampullaria × N. rafflesiana [=N. × hookeriana][16] *
  7. N. benstonei × N. mirabilis[16]
  8. N. gracilis × N. mirabilis [=N. × sharifah-hapsahii, N. × ghazallyana, N. × grabilis, N. neglecta?][6][16] *
  9. N. macfarlanei × N. ramispina[16]
  10. N. macfarlanei × N. sanguinea[16]
  11. N. mirabilis × N. rafflesiana[16] *
  12. N. ramispina × N. sanguinea[16]

Two natural hybrids have been recorded from Singapore: N. × hookeriana and N. × trichocarpa.[5] As such, all three species from Singapore are known to hybridise.

Sulawesi[]

Left: N. glabrata × N. maxima
Right: N. mirabilis × N. tomoriana

Nepenthes natural hybrids recorded from Sulawesi.

  1. ? N. eymae × N. maxima[6]
  2. N. glabrata × N. hamata[6][48]
  3. N. glabrata × N. maxima[6]
  4. N. glabrata × N. nigra[49]
  5. N. glabrata × N. tentaculata[6]
  6. N. hamata × N. tentaculata[6]
  7. N. maxima × N. tentaculata[49]
  8. N. mirabilis × N. tomoriana[6]
  9. N. nigra × N. tentaculata[50]
  10. N. pitopangii × N. tentaculata[51]

Endemic species with no known natural hybrids:

Indochina[]

Nepenthes natural hybrids recorded from Indochina. For the purpose of this list, the area encompasses Cambodia, Laos, Myanmar, Thailand, and Vietnam.

  1. N. ampullaria × N. gracilis [=N. × trichocarpa][55] *
  2. N. ampullaria × N. mirabilis [=N. × kuchingensis, Nepenthes cutinensis][55] *
  3. N. andamana × N. mirabilis[55] (including N. andamana × N. mirabilis var. globosa)[55]
  4. N. bokorensis × N. kampotiana[56]
  5. N. gracilis × N. mirabilis [=N. × sharifah-hapsahii, N. × ghazallyana, N. × grabilis, N. neglecta?][55] *
  6. N. kampotiana × N. mirabilis[55]
  7. N. kongkandana × N. mirabilis[55]
  8. N. mirabilis × N. smilesii[57]
  9. N. mirabilis × N. thorelii[57][58][59]

In addition, infraspecific hybrids between N. mirabilis var. globosa and N. mirabilis var. mirabilis are known to occur.[60]

Endemic species with no known natural hybrids:[6][55]

New Guinea and the Maluku Islands[]

Left: N. ampullaria × N. neoguineensis
Right: N. klossii × N. maxima
A lower pitcher (left) and an upper pitcher (right) of
N. maxima × N. neoguineensis

Nepenthes natural hybrids recorded from New Guinea, the Maluku Islands, and surrounding islands.

  1. N. ampullaria × N. mirabilis [=N. × kuchingensis, Nepenthes cutinensis] *
  2. N. ampullaria × N. neoguineensis[6]
  3. N. insignis × N. mirabilis[63]
  4. N. klossii × N. maxima[64]
  5. N. maxima × N. neoguineensis[6]
  6. ? N. paniculata × N. papuana[65]

Endemic species with no known natural hybrids:[66]

Australia[]

Nepenthes natural hybrids recorded from Australia.

  1. N. mirabilis × N. rowaniae[68]
  2. N. mirabilis × N. tenax[6]
  3. N. rowaniae × N. tenax[6]

Complex hybrids involving all three species are also common.[6]

All three species from Australia are known to hybridise.

Outlying areas[]

There are six additional species endemic to areas other than those listed above. These are:

Of these, the only species that could conceivably hybridise in the wild are N. madagascariensis and N. masoalensis. Although the ranges of the two species used to meet near , no natural hybrids have ever been recorded.[6]

See also[]

Notes[]

a.^ Identified as N. pilosa × N. veitchii in Nepenthes of Borneo.[5]
b.^ Identified as N. lowii × N. pilosa in Nepenthes of Borneo.[2][5]
c.^ Identified as N. dubia × N. singalana in Nepenthes of Sumatra and Peninsular Malaysia.[16]
d.^ Identified as N. spectabilis × N. species A in Nepenthes of Sumatra and Peninsular Malaysia.[16]

References[]

  1. ^ Adam, J.H., C.C. Wilcock & M.D. Swaine 1992. "The ecology and distribution of Bornean Nepenthes" (PDF). Archived from the original (PDF) on 2011-07-22. Journal of Tropical Forest Science 5(1): 13–25.
  2. ^ Jump up to: a b c d e f g h i j k l m n o p Phillipps, A., A. Lamb & C.C. Lee 2008. Pitcher Plants of Borneo. Second Edition. Natural History Publications (Borneo), Kota Kinabalu.
  3. ^ Robinson, A. 2012. Nepenthes merrilliana on Samar. Carnivorous Plants in the tropics, June 29, 2012.
  4. ^ Jump up to: a b c d Cheek, M.R. & M.H.P. Jebb 2001. Nepenthaceae. Flora Malesiana 15: 1–157.
  5. ^ Jump up to: a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar Clarke, C.M. 1997. Nepenthes of Borneo. Natural History Publications (Borneo), Kota Kinabalu. xi + 207 pp. ISBN 983-812-057-X
  6. ^ Jump up to: a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at McPherson, S.R. 2009. Pitcher Plants of the Old World. 2 volumes. Redfern Natural History Productions, Poole.
  7. ^ Jump up to: a b Lowrie, A. 1983. "Sabah Nepenthes Expeditions 1982 & 1983" (PDF). (1.25 MiB) Carnivorous Plant Newsletter 12(4): 88–95.
  8. ^ Jump up to: a b Scharmann, M. & T.U. Grafe 2013. Reinstatement of Nepenthes hemsleyana (Nepenthaceae), an endemic pitcher plant from Borneo, with a discussion of associated Nepenthes taxa. Blumea 58(1): 8–12. doi:10.3767/000651913X668465
  9. ^ Lee, C.C. 2002. Nepenthes platychila (Nepenthaceae), a new species of pitcher plant from Sarawak, Borneo. The Gardens' Bulletin Singapore 54: 257-261.
  10. ^ Lee, C.C. 2004. Nepenthes. In: Sarawak Bau Limestone Biodiversity. H.S. Yong, F.S.P. Ng and E.E.L. Yen (eds). The Sarawak Museum Journal Vol. LIX, No. 80; Special Issue No. 6: 71-77.
  11. ^ Lee, C.C. 2007. Re: lowii and hurrelliana of Mt. Murud Archived 2007-09-27 at the Wayback Machine. Carnivorous Plants in the tropics.
  12. ^ A rare find: N. rajah nat. hybrid. Flora Nepenthaceae.
  13. ^ Steiner, H. 2002. Borneo: Its Mountains and Lowlands with their Pitcher Plants. Toihaan Publishing Company, Kota Kinabalu. viii + 136 pp. ISBN 983-40421-1-6
  14. ^ McPherson, S.R. & A. Robinson 2012. Field Guide to the Pitcher Plants of Borneo. Redfern Natural History Productions, Poole.
  15. ^ Adam, J.H. & C.C. Wilcock 1998 ['1996']. Pitcher plants of Mt. Kinabalu in Sabah. The Sarawak Museum Journal 50(71): 145–171.
  16. ^ Jump up to: a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc Clarke, C. M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu. ix + 325 pp. ISBN 983-812-050-2
  17. ^ (in Indonesian) Akhriadi, P. 2007. Kajian taksonomi hibrid alami Nepenthes (Nepenthaceae) di Kerinci Archived 2016-03-03 at the Wayback Machine. Working paper, Andalas University, Padang. Abstract Archived 2016-03-04 at the Wayback Machine
  18. ^ Wistuba, A. Strange hybrid with Nepenthes jacquelineae? Archived 2007-09-28 at the Wayback Machine Wistuba.com.
  19. ^ Wartono, A.Y. 2011. Re: dubia hybrid ? ID opinions. Carnivorous Plants in the tropics, March 2, 2011.
  20. ^ Jump up to: a b Wistuba, A., J. Nerz & A. Fleischmann 2007. Nepenthes flava, a new species of Nepenthaceae from the northern part of Sumatra. Blumea 52(1): 159–163.
  21. ^ Jump up to: a b McPherson, S.R. & A. Robinson 2012. Field Guide to the Pitcher Plants of Sumatra and Java. Redfern Natural History Productions, Poole.
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  31. ^ Jump up to: a b c Gronemeyer, T., W. Suarez, H. Nuytemans, M. Calaramo, A. Wistuba, F.S. Mey & V.B. Amoroso 2016. Two new Nepenthes species from the Philippines and an emended description of Nepenthes ramos. Plants 5(2): 23. doi:10.3390/plants5020023
  32. ^ Cheek, M. & M. Jebb 2013. Identification and typification of Nepenthes blancoi, with N. abalata sp. nov. from the western Visayas, Philippines. Nordic Journal of Botany 31(2): 151–156. doi:10.1111/j.1756-1051.2012.00012.x
  33. ^ Jump up to: a b Cheek, M. & M. Jebb 2013. The Nepenthes micramphora (Nepenthaceae) group, with two new species from Mindanao, Philippines. Phytotaxa 151(1): 25–34. doi:10.11646/phytotaxa.151.1.2
  34. ^ Cheek, M. & M. Jebb 2013. Nepenthes alzapan (Nepenthaceae), a new species from Luzon, Philippines. Phytotaxa 100(1): 57–60. doi:10.11646/phytotaxa.100.1.6
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  42. ^ Cheek, M. & M. Jebb 2013. Nepenthes samar (Nepenthaceae), a new species from Samar, Philippines. Blumea 58(1): 82–84. doi:10.3767/000651913X673513
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  51. ^ McPherson, S.R. 2011. Discovery of a new population of Nepenthes pitopangii. In: New Nepenthes: Volume One. Redfern Natural History Productions, Poole. pp. 506–515.
  52. ^ Bianchi, A., C.C. Lee, M.R. Golos, F.S. Mey, M. Mansur, Y.M. Mambrasar & A.S. Robinson 2020. Nepenthes diabolica (Nepenthaceae), a new species of toothed pitcher plant from Central Sulawesi. Phytotaxa 464(1): 29–48. doi:10.11646/phytotaxa.464.1.2
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  58. ^ Bednar, B. 1983. "Nepenthes mirabilis variation" (PDF). (111 KiB) Carnivorous Plant Newsletter 12(3): 64.
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  62. ^ (in Italian) Catalano, M. 2014. Nepenthes rosea, una nuova specie dalla Thailandia peninsulare. AIPC Magazine 36: 24–31.
  63. ^ Rischer, H. 1995. "Observations on the Nepenthes species of Irian Jaya, Part I: Nepenthes insignis Danser" (PDF). (461 KiB) Carnivorous Plant Newsletter 24(3): 75–77.
  64. ^ Evans, D.P. 2009. New Cultivars: Nepenthes maxima 'Lake Poso'. Carnivorous Plant Newsletter 38(1): 18–22.
  65. ^ Rediscovery of Nepenthes paniculata. Redfern Natural History Productions.
  66. ^ McPherson, S.R. & A. Robinson 2012. Field Guide to the Pitcher Plants of Australia and New Guinea. Redfern Natural History Productions, Poole.
  67. ^ Cheek, M., M. Jebb, B. Murphy & F. Mambor (2018). Nepenthes section Insignes in Indonesia, with two new species. Blumea 62(3): 174–178. doi:10.3767/blumea.2018.62.03.03
  68. ^ Clarke, C.M. & R. Kruger 2005. Nepenthes rowanae (Nepenthaceae), a remarkable species from Cape York, Australia. Carnivorous Plant Newsletter 34(2): 36–41.
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