Nepenthaceae

Nepenthes L.

1. Nepenthes abalata Jebb & Cheek, Nordic Journal of Botany 31 (2013) 153; Type: McGregor 32313 (US, holo; B, K, PNH, iso), Panay, Antique, Marilison (Mararison) Island. = Nepenthes blancoi auct. non Blume; Macfarl. in Engl., Pflanzenreich 36 (1908) 40; PJS 33 (1927) 129. Distribution: Endemic to the Philippines. CULION, CUYO ARCHIPELAGO, MARARISON. Conservation status: Critically Endangered (DAO 2017-11). Native.
2. Nepenthes abgracilis Jebb & Cheek, Phytotaxa 151 (2013) 29; Type: Ramos & Pascasioin BS 34501B, (UC, holo; K, photo), Mindanao: Surigao, Apr-1919. Distribution: Endemic to the Philippines. MINDANAO: Surigao. Notes: Forested submontane ridges, probably ultramafic, 670m. Conservation status: Critically Endangered (DAO 2017-11). Native.
3. Nepenthes aenigma H.Nuytemans, W.Suarez & Calaramo, Plants 5 (2016) 23; Type: M. Calaramo 2288 (HNUL, holo & iso), Luzon: Ilocos Norte. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. Conservation status: Data Deficient (Gronemeyer et al. 2016). Native.
4. Nepenthes alata Blanco, Fl. Filip. (1837) 805; Merr., EPFP 2 (1923) 214; Macfarl., PJS 33 (1927) 136; Type: Fenix BS 26726 (US, photo, K, neo; BO, SING, isoneo), Luzon: Ilocos Norte, Burgos, 23 to 25-Nov-1916. = Nepenthes brachycarpa Merr., PJS 10 c (1915) Bot. 306; Type: Merrill 9588 (L, NY, iso), Palawan: Silanga, May-1913. = Nepenthes blancoi Blume, Ann. Mus. Bot. Lugd.-Bat. 2 (1852) 10; Type: Williams 1012 (US, K, PNH, neo; PNH lost, NY, isoneo), Luzon: Benguet, Trinidad. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Ilocos Norte, Mountain Province, Nueva Vizcaya, Quezon, Zambales, ?SAMAR (photos). Notes: Note by Pelser (11-May-13): it can be questioned if the neotype of Nepenthes blancoi Blume is conspecific with Blanco's plant, because Blanco's description was very brief and general and the neotype was selected from a different area than that mentioned by Blanco (Agoo, Pangasinan). Native.
5. Nepenthes alfredoi Amoroso & Lagunday, Philippine Journal of Systematic Biology 11 (2018) 15; Type: V.B. Amoroso, N.E. Lagunday & F.P. Coritico s.n. (CMUH10856, holo), Mindanao: Davao Oriental, Mt Hamiguitan Range Widlife Sanctuary Expansion Site, Brgy Luzon, 345m, 12-Oct-2016. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Conservation status: Critically Endangered B1ab (i) (Amoroso et al. 2018). Native.
6. Nepenthes alzapan Jebb & Cheek, Phytotaxa 100 (2013) 59; Type: Ramos & Edanõ 45690 (K, holo; NY, UC, US, iso), Luzon, Tayabas, Mt Alzapan, 7-Jun-1925. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: Submontane mossy forest, 1800m. Only known from the types (4 sheets), representing three individual plants at most, and a photo by Leonard Co. Conservation status: Critically Endangered (DAO 2017-11). Native.
7. Nepenthes argentii Jebb & Cheek, Blumea 42 (1997) 19; Fl. Males. ser. 1, 15 (2001) 34; Type: Argent & Reynoso 89119 (K, holo; PNH, iso), Sibuyan: Mt Giting-giting, above Magdiwang on ridge leading to Mayo’s Peak, 1400m, 27-Aug-1989. Distribution: Endemic to the Philippines. SIBUYAN. Notes: Subalpine shrubbery with smooth wind-clipped canopy 30cm tall on a ridge of ultramafic rocks, 1400m. Conservation status: Critically Endangered (DAO 2017-11). Native.
8. Nepenthes armin Jebb & Cheek, Blumea 59 (2014) 147; Type: Argent & Reynoso 8936 (K, holo; E, PNH, iso), Sibuyan: Magdiwang, 16-Aug-1989. Distribution: Endemic to the Philippines. SIBUYAN. Conservation status: Critically Endangered (D) (Cheek & Jebb 2014; DAO 2017-11). Native.
9. Nepenthes attenboroughii A.S.Rob., S.McPherson & V.B.Heinrich, Bot. J. Linn. Soc. 159(2) (2009) 196; Type: A. Robinson AR001 (PPC, holo), Palawan: Mt Victoria. Distribution: Endemic to the Philippines. PALAWAN. Notes: On granular, inorganic, ultramafic substrates at 1650 m. Conservation status: Critically Endangered (DAO 2017-11). Native.
10. Nepenthes barcelonae Tandang & Cheek, Phytotaxa 222 (2015) 146; Type: Tandang 1727 with Pelser & Barcelona (PNH, holo; K, iso), Luzon: Sierra Madre Mountain range, Aurora, 22-Feb-2014. Distribution: Endemic to the Philippines. LUZON: Aurora. Conservation status: Critically Endangered (DAO 2017-11). Native.
11. Nepenthes bellii K.Kondo, Bull. Torrey Bot. Club 96 (1969) 653; Jebb & Cheek, Fl. Males. ser. 1, 15 (2001) 38; Type: Kondo 11514 (NCU, holo; KC, Nagoya, iso), Mindanao: Surigao del Norte, between Jayanggabon & Carrascal, 800m, 14-Apr-1968. = Nepenthes globamphora Sh.Kurata & Toyosh., Gard.Bull. Sing. 26 (1972) 155; Type: S. Kurata & M. Toyoshima 1128 (Nippon Dental College, holo), Mindanao: Surigao del Sur, Mt Legaspi, E slope, 22-Aug-1965. Distribution: Endemic to the Philippines. DINAGAT (photos), MINDANAO: Surigao del Norte, Surigao del Sur. Notes: Marshy forests, possibly on ultramafic substrate, 250-800m. Conservation status: Endangered (DAO 2017-11). Native.
12. Nepenthes burkei Mast., Gard. Chron. 3, 6 (1889) 492; Merr., EPFP 2 (1923) 214; Macfarl., PJS 33 (1927) 134; Sh. Kurata & Toyoshima, Gard. Bull. Sing. 26 (1972) 155; Jebb & Cheek, Blumea 42 (1997) 28; Fl. Males. ser. 1, 15 (2001) 47; Type: J. Veitch & Sons, s.n. (K, lecto), cultivated from material collected by David Burke from Mindoro. = Nepenthes burkei var. excellens Marshall, J. Roy. Hort. Soc. 12 (1890) 114. = Nepenthes burkei var. prolifica Mast., Gard. Chron. 3. ser. 8 (1890) 184. Distribution: Endemic to the Philippines. MINDORO, PANAY. Notes: Mossy forests, 1000-1600m. Conservation status: Endangered (DAO 2017-11). Native.
13. Nepenthes cabanae Lagunday & Amoroso, Philippine J. Syst. Bot. 13 (2019) 39; Type: Lagunday N.E. 0003 (PNH, holo; CMUH, iso), Mindanao: Bukidnon, Pantaron Range, San Fernando, Mt Malimumu, 18-Aug-2015. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Critically Endangered (Lagunday & Amoroso 2019). Native.
14. Nepenthes candalaga Lagunday & Amoroso, Phytotaxa 554 (2022) 286; Type: Lagunday s.n. (PNH, holo; CMUH, iso), Mindanao: Davao de Oro, Maragusan, Mt Candalaga, Tropical Upper Montane Rainforest, 3-May-2021. Distribution: Endemic to the Philippines. MINDANAO: Davao de Oro. Conservation status: Critically Endangered (Lagunday et al. 2022). Native.
15. Nepenthes ceciliae Gronem., Coritico, Micheler, Marwinski, Acil & Amoroso, New Nepenthes 1 (2011) 413; Type: F. Coritico & V. Amoroso s.n. (CMUH00007378, holo), Mindanao: Bukidnon, Mount Kiamo, trail from Brgy Kibalabag (Malaybalay City), 16-May-2011. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Endangered (DAO 2017-11). Native.
16. Nepenthes cid Jebb & Cheek, Phytotaxa 151 (2013) 30; Type: Cid 8 (L, holo; K, photo; PNH, iso), Mindanao: Bukidnon, Dalvangan, 26-Dec-1952. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Critically Endangered (DAO 2017-11). Native.
17. Nepenthes copelandii Merr. ex Macfarl. in Engl., Pflanzenreich 36 (1908) 51; PJS 33 (1927) 131; Merr., EPFP 2 (1923) 214; Type: Copeland 1033 (US), Mindanao: Davao, Mt Apo, Apr-1904. Distribution: Endemic to the Philippines. CAMIGUIN, MINDANAO: Davao del Sur. Notes: Epiphytic at elevations from 2500-3000 m. Lower pitchers similar to Nepenthes alata though comparatively more elongated, upper pitchers strongly infundibular; also differing from it by its epiphytic habit. Conservation status: Endangered (DAO 2017-11). Native.
18. Nepenthes cornuta Marwinski, Coritico, Wistuba, Micheler, Gronem., Gieray & Amoroso, Plants 3 (2014) 289; Type: T. Gronemeyer & F. Coritico s.n. (CMUH00008547, holo), Mindanao: Bukidnon, Pantaron mountain range, Malaybalay City, Brgy St. Peter, 15-Aug-2012. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Vulnerable (DAO 2017-11). Native.
19. Nepenthes deaniana Macfarl. in Engl., Pflanzenreich 36 (1908) 57; Merr., EPFP 2 (1923) 215; Macfarl., PJS 33 (1927) 134; Type: FB 3891 Curran (PNH, holo, lost), Palawan: Mt Pulgar summit, 1300m. Distribution: Endemic to the Philippines. PALAWAN. Notes: Reportedly very common at the 1300 m summit of Mt Pulgar. Holo destroyed at PNH in Feb-1945, and according to Jebb & Cheek (2001) no extant replicate has been found. This species belongs to the Nepenthes villosa group but is immediately distinguished from the Philippine (Palawan) representatives (Nepenthes mantalingajanensis and Nepenthes mira) by its non-climbing habit, glabrous stems which spread by shoots, much smaller pitchers, relatively narrower peristomes and one-flowered pedicels. Conservation status: Critically Endangered (DAO 2017-11). Native.
20. Nepenthes erucoides A.S.Rob. & S.G.Zamudio, Phytotaxa 423 (2019) 22; Type: Zamudio, Apo, Gonzales & Tan 257395 (PNH, holo), Zamudio, Apo, Gonzales & Tan 014747 (UST, iso), Zamudio, Apo, Gonzales & Tan 014749 (UST, iso), Zamudio, Apo, Gonzales & Tan 014753 (UST, iso), Zamudio, Apo, Gonzales & Tan 014754 (UST, iso), Dinagat: Mt Redondo, 839m, 13-Oct-2018. Distribution: Endemic to the Philippines. DINAGAT. Conservation status: Critically Endangered (Robinson et al. 2019). Native.
21. Nepenthes extincta Jebb & Cheek, European Journal of Taxonomy 69 (2013) 14; Type: Fumihiro Konta 12365 (BISH, holo), Mindanao: boundary of Surigao del Sur and Surigao del Norte, Red Hills, SE of Claver, near the northeastern coast, 8-Aug-1978. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Norte, Surigao del Sur. Conservation status: Critically Endangered (DAO 2017-11). Native.
22. Nepenthes gantungensis S.McPherson, Cervancia, Chi.C.Lee, Jaunzems, Mey & A.S.Rob., Carniv. Pl. Hab. 2 (2010) 1286. Distribution: Endemic to the Philippines. PALAWAN. Notes: 1600-1784m. Conservation status: Endangered (DAO 2017-11). Native.
23. Nepenthes graciliflora Elmer, LPB 4 (1912) 1494; Type: Elmer 12465 (K, lecto; B, BO, E, MO, NY, U, US, W, iso), Sibuyan: Mt Giting-giting, along Pauala river bottom on sand-gravelly soil, 1000ft, May-1910. Distribution: Endemic to the Philippines. BOHOL, LEYTE, LUZON: Laguna, Quezon, Sorsogon, Zambales, MINDANAO, MINDORO, PANAY, SAMAR, SIBUYAN. Notes: Mossy, submontane forest, (300-)800-1280m. Native.
24. Nepenthes hamiguitanensis Gronem., Wistuba, V.B.Heinrich, S.McPherson, Mey & Amoroso, Carniv. Pl. Hab. 2 (2010) 1296; Type: V. Amoroso & R. Aspiras s.n. (CMUH00006494, holo): Mindanao: Davao Oriental, Mt Hamiguitan. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: Terrestrial in partly shaded localities from 1200-1600m. A stabilized natural hybrid of Nepenthes micramphora and Nepenthes peltata. Conservation status: Vulnerable (DAO 2017-11). Native.
25. Nepenthes justinae Gronem., Wistuba, Mey & Amoroso, Plants 5 (2016) 23; Type: V.B. Amoroso s.n. (CMUH00003606, holo), Mindanao: Davao Oriental, Mt Hamiguitan. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Conservation status: Vulnerable (Gronemeyer et al. 2016). Native.
26. Nepenthes kitanglad Jebb & Cheek, European Journal of Taxonomy 69 (2013) 10; Type: Gaerlan, Sagcal & Fernando PPI 3274 (BISH, holo; BRIT, iso), Mindanao: Bukidnon, Intavas, Impasug-ong, Mt Kitanglad, 18-Jul-1991. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Critically Endangered (DAO 2017-11). Native.
27. Nepenthes leonardoi S.McPherson, Bourke, Cervancia, Jaunzems & A.S.Rob., Carniflora Australis 8(1) (2011) 5; Type: S. McPherson SRM 5 (PPC, holo), Palawan: Narra, close to the summit of Schom-carp Peak, 20-Nov-2010, 1490 m. Distribution: Endemic to the Philippines. PALAWAN. Conservation status: Critically Endangered (DAO 2017-11). Native.
28. Nepenthes leyte Jebb & Cheek, European Journal of Taxonomy 69 (2013) 17; Type: Argent, Mendum, Fuentes, R., Belonias, BS 99214 (K, holo; E, PNH, iso), Leyte: Mt Lobi, near Dagami, 7-Nov-1999. Distribution: Endemic to the Philippines. LEYTE. Conservation status: Critically Endangered (DAO 2017-11). Native.
29. Nepenthes malimumuensis Lagunday, Acma, Cabana, Sabas & Amoroso, PJS 146 (2017) 160; Type: N.E Lagunday, M. Acopio, H.C. Armecin, A. Calaguian & N.M. Sabas s.n. (CMUH00009841, holo), Mindanao: Bukidnon, Pantaron range, San Fernando, Mt Malimumu, 1016m, 9-Feb-2014. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
30. Nepenthes manobo Lagunday, Acma, Cabana, Sabas & Amoroso, PJS 146 (2017) 161; Type: N.E. Lagunday, M. Acopio & N.M. Sabas s.n. (CMUH00009842, holo), Mindanao: Bukidnon, Pantaron range, San Fernando, Mt Malimumu, 1016m, 9-Feb-2014. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
31. Nepenthes mantalingajanensis Nerz & Wistuba, Das Taublatt 55(3) (2007) 17; Type: Nerz & Wistuba P001 (TUB, holo), cult. from Palawan: Mt Mantalingahan. Distribution: Endemic to the Philippines. PALAWAN. Notes: On ultramafic soils. Separated from Nepenthes mira in the size, shape and absence of indumentum on the pitchers, the operculum that is as wide as the mouth, and the extreme rarity (total absence?) of upper pitchers (both lower and upper pitchers are produced at the same time in mature plants of Nepenthes mira). Conservation status: Endangered (DAO 2017-11). Native.
32. Nepenthes maximoides Cheek, PeerJ 8 (2020) e9899: 5; Type: Curran s.n. (PH 01113309, holo; PNH iso. lost), Luzon: Quezon [Tayabas], likely Mt Banahaw, Dec-1911. Distribution: Endemic to the Philippines. LUZON: Quezon. Conservation status: Critically Endangered B2ab(iii) (Possibly Extinct) (King & Cheek 2020). Native.
33. Nepenthes merrilliana Macfarl., Contr. Bot. Lab. Univ. Penn. 3 (1911) 207; PJS 33 (1927) 132; Merr., EPFP 2 (1923) 215; Sh. Kurata & Toyoshima, Gard. Bull. Sing. 26 (1972) 152; Jebb & Cheek, Blumea 42 (1997) 62; Fl. Males. ser. 1, 15 (2001) 99; Elmer, LPB 8 (1915) 2787, as 'merrillii'; Type: FB 7545 Hutchinson (PNH), Dinagat, May-1907, 20m. Distribution: Endemic to the Philippines. DINAGAT, MINDANAO: Agusan del Norte, Surigao, Surigao del Norte. Notes: Forests, steep slopes near the coast. Apparently restricted to ultramafics, sometimes epiphytic. Conservation status: Critically Endangered (DAO 2017-11). Native.
34. Nepenthes micramphora V.B.Heinrich, S.McPherson, Gronem. & Amoroso, Pitcher Pl. Old World 2 (2009) 1315; Type: V. Amoroso & R. Aspiras s.n. (CMUH00003545, holo), Mindanao: Davao Oriental, Mt Hamiguitan, 31-Jan-2005, 1300-1600m. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: On ultramafic substrates. Conservation status: Critically Endangered (DAO 2017-11). Native.
35. Nepenthes mindanaoensis Sh.Kurata, J. Insectivorous Plant Soc. 52 (2001) 32; Type: Y. Mino 6838 (Nippon Dental College), Mindanao: Surigao del Sur, Mt Carrascal, 200-300m, 6-Aug-1999. = Nepenthes alata var. ecristata Macfarl. in Engl., Pflanzenreich 36 (1908) 72; Merr., EPFP 2 (1923) 214. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Sur. Notes: Open scrub on ultramafics, abundant on lateritic soil, 200-300m. Separated from Nepenthes alata by the long, rather stiff indumentum on the younger leaves, the pitcher lids which possess very poorly developed to non-existent median keels nor basal appendages, and the dimorphic lid glands. Conservation status: Vulnerable (DAO 2017-11). Native.
36. Nepenthes mira Jebb & Cheek, Kew Bull. 53 (1998) 966; 54 (1999) 891; Fl. Males. ser. 1, 15 (2001) 102; Type: Argent & al. 25438 (K, holo; E, PNH, iso), Palawan: Cleopatra’s Needle, 22-Jan-1998. Distribution: Endemic to the Philippines. PALAWAN. Notes: Submontane forest and grassland on sandstone, c. 1580m. Conservation status: Critically Endangered (DAO 2017-11). Native.
37. Nepenthes mirabilis (Lour.) Druce, Rep. Exch. Cl. Br. Isl. (1916) 637; Merr., Interpret. Herb. Amboin. (1917) 242; EPFP 2 (1923) 215; Danser, Bull. Jard. Bot. Buitenz. ser. 3, 9 (1928) 330; Sh. Kurata, Nepenthes of Mt Kinabalu, Sabah (1976) 56; Jebb & Cheek, Blumea 42 (1997) 63; Fl. Males. ser. 1, 15 (2001) 105; ≡ Phyllamphora mirabilis Lour., Fl. Cochinch. (1790) 606; ≡ Nepenthes phyllamphora Willd., Sp. Pl. 4 (1805) 874; Macfarl., PJS 33 (1927) 135; Type: from Vietnam. Distribution: Andaman Isls, Australia, Borneo, Cambodia, China, Java, Laos, Malay Peninsula, Moluccas, New Guinea, Philippines, Singapore, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. MINDANAO: Lanao del Sur, Surigao, Zamboanga, ?SAMAR (photos). Notes: Swamps and forests, near sea-level to 900m. Native.
38. Nepenthes nebularum G.Mansell & W.Suarez, Carnivorous Plants Newsletter 45 (2016) 133; Type: Mansell NEB14, ex cult. (BRI AQ522212, holo), Mindanao: 1-Jul-2016. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Native.
39. Nepenthes negros Jebb & Cheek, Nordic Journal of Botany 31 (2013) 619; ≡ Nepenthes alata var. biflora Macfarl. in Engl., Pflanzenreich 36 (1908) 72; Merr., EPFP 2 (1923) 214; Type: Whitford 1537 (according to Jebb & Cheek 2013) or 1723 (according to L.L.Co) (PH, holo; K, iso), Negros: Negros Occidental, Mt Silay, May-1906. Distribution: Endemic to the Philippines. BILIRAN, NEGROS. Notes: Submontane forest, 1350m. Conservation status: Critically Endangered (DAO 2017-11). Native.
40. Nepenthes palawanensis S.McPherson, Cervancia, Chi.C.Lee, Jaunzems, Mey & A.S.Rob., Carniv. Pl. Hab. 2 (2010) 1332; Type: S.McPherson SRM 0003 (PPC, holo), Palawan: Narra, Sultan Peak, summit ridge SE of the mountaintop, 13-Jan-2010, 1230m. Distribution: Endemic to the Philippines. PALAWAN. Notes: 1100-1236m. Conservation status: Critically Endangered (DAO 2017-11). Native.
41. Nepenthes pantaronensis Gieray, Gronem., Wistuba, Marwinski, Micheler, Coritico & Amoroso, Plants 3 (2014) 286; Type: T. Gronemeyer & F. Coritico s.n. (CMUH00008625, holo), Mindanao: Bukidnon, Pantaron mountain range, Malaybalay City, Brgy St. Peter, 15-Aug-2012. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Vulnerable (DAO 2017-11). Native.
42. Nepenthes peltata Sh.Kurata, J. Insectivorous Plant Soc. 59(1) (2008) 12; Type: Koshikawa 44 (KYO, holo), cult. at the Nanso Botanic Garden from Mindanao: Mt Hamiguitan. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: On ultramafic substrates. Conservation status: Critically Endangered (DAO 2017-11). Native.
43. Nepenthes petiolata Danser, Bull. Jard. Bot. Buitenz. ser.3, 9 (1928) 353; Sh. Kurata & Toyoshima, Gard. Bull. Sing. 26 (1972) 158; Jebb & Cheek, Blumea 42 (1997) 74; Fl. Males. ser. 1, 15 (2001) 120; Type: Elmer 13705-b (BO, holo), Mindanao: Agusan del Norte, Mt Urdaneta, trail from Lake Danao to Masay summit, Sep-1912. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Surigao del Sur. Notes: Montane or submontane forest including Agathis and oak, possibly on ultramafic soil in Surigao, 1500-1600m. Conservation status: Endangered (DAO 2017-11). Native.
44. Nepenthes philippinensis Macfarl., Pflanzenreich 36 (1908) 43; Merr., EPFP 2 (1923) 215; Macfarl., PJS 33 (1927) 130; Jebb & Cheek, Blumea 54 (1999) 888; Fl. Males. ser. 1, 15 (2001) 121; Type: Curran 3896 (K, lecto), Palawan: Mt Pulgar. = Nepenthes wilkiei Jebb & Cheek, Kew Bull. 53 (1998) 966; Type: Mendum et al. 25545 (K, holo; E, PNH, iso), Palawan. Distribution: Endemic to the Philippines. PALAWAN. Notes: On scrub over ultramafic soils, 25-1600m. Conservation status: Endangered (DAO 2017-11). Native.
45. Nepenthes pulchra Gronem., S.McPherson, Coritico, Micheler, Marwinski & Amoroso, New Nepenthes 1 (2011) 425; Type: T. Gronemeyer & F. Coritico s.n. (CMUH00007379, holo), Mindanao: Bukidnon, Mount Kiamo, trail from Brgy Kibalabag (Malaybalay City), 16-Aug-2011. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Critically Endangered (DAO 2017-11). Native.
46. Nepenthes ramos Jebb & Cheek, Willdenowia 43 (2013) 108; Type: Ramos & Pascasio 34500 (K, holo; AA, PH, US, iso), Mindanao, Surigao, Apr-1919. = Nepenthes kurata Jebb & Cheek, European Journal of Taxonomy 69 (2013) 6; Type: Mearns & Hutchinson FB 4632 (K, holo; PH, iso), Mindanao: Misamis Occidental, Mt Malindang, May-1906. Distribution: Endemic to the Philippines. CAMIGUIN, MINDANAO: Misamis Occidental, Surigao del Norte, ?NEGROS (photos). Conservation status: Not Threatened (Gronemeyer et al. 2016); Critically Endangered (DAO 2017-11). Native.
47. Nepenthes robcantleyi Cheek, Nordic J. Bot. 29 (2011) 678; Type: Cheek 15877 (K, holo; PNH, iso), Mindanao. Distribution: Endemic to the Philippines. MINDANAO. Conservation status: Critically Endangered (DAO 2017-11). Native.
48. Nepenthes samar Jebb & Cheek, Blumea, 58 (2013) 82; Type: Gaerlan & Chavez PPI 26416 (BRIT, holo; PNH, iso), Samar. Distribution: Endemic to the Philippines. SAMAR. Notes: Known from only two collections, most similar to Nepenthes merrilliana. Conservation status: Critically Endangered (DAO 2017-11). Native.
49. Nepenthes saranganiensis Sh.Kurata, J. Insectivorous Plant Soc. 54(2) (2003) 41; Type: Sh. Kurata 5008 (PNH, holo & iso), Mindanao: Sarangani, 18-Oct-2002, 700m. Distribution: Endemic to the Philippines. MINDANAO: Sarangani. Notes: Characterized by its strongly decurrent leaf bases; possibly only a variant of Nepenthes alata. Conservation status: Endangered (DAO 2017-11). Native.
50. Nepenthes sibuyanensis Nerz, Carniv. Pl. Newsl. 27 (1998) 18; Jebb & Cheek, Fl. Males. ser. 1, 15 (2001) 133; Type: P. Mann & T. Smith 051001 (L, holo), Sibuyan: Mt Guiting-guiting, 1300m, growing between Dipteris and high grasses on open slopes, 5-Oct-1996. Distribution: Endemic to the Philippines. SIBUYAN. Notes: 1300-2058m, grows quite sparsely on open grassy slopes among Dipteris conjugata and high grasses in ultramafic soils. Known only from the type locality. Conservation status: Critically Endangered (DAO 2017-11). Native.
51. Nepenthes sumagaya Cheek, Pl. Carnivora 36 (2014) 45; ≡ Nepenthes amabilis Wistuba, Gronem., Micheler, Marwinski, Gieray, Coritico & Amoroso, Plants 3 (2014) 295, nom. illeg.; Type: T. Gronemeyer & A. Wistuba s.n. (CMUH00008635, holo; CMUH00008637, iso), Mindanao: Misamis Oriental, Claveria, Mt Sumagaya, 19-Aug-2012. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental. Conservation status: Endangered (DAO 2017-11). Native.
52. Nepenthes surigaoensis Elmer, LPB 8 (1915) 2785; Coritico et al., PJS 151 (2022) 2440; Type: Elmer 13705 (NY, iso), Mindanao: Agusan del Norte, Mt Urdaneta, trail from Lake Danao to Masay summit, 1700m, Sep-1912. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Bukidnon. Notes: 800-1700m. Distinguished from Nepenthes merrilliana by its strongly decurrent leaf bases, hairy pitchers, more rounded, smaller lower pitchers, winged upper pitchers (although absent in some specimens) and different peristome attachment. Conservation status: Endangered (DAO 2017-11). Native.
53. Nepenthes talaandig Gronem., Coritico, Wistuba, Micheler, Marwinski, Gieray & Amoroso, Plants 3 (2014) 292; Type: T. Gronemeyer & F. Coritico s.n. (CMUH00008624, holo), Mindanao: Bukidnon, Pantaron mountain range, Malaybalay City, Brgy St Peter, 15-Aug-2012. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Vulnerable (DAO 2017-11). Native.
54. Nepenthes tboli Jebb & Cheek, Blumea 59 (2014) 149; Type: Gaerlan, Sagcal & Romero PPI 13083 (BRIT, holo; L, iso), Mindanao: South Cotabato, T'Boli, Lake Parker, Aug-1993. Distribution: Endemic to the Philippines. MINDANAO: South Cotabato. Conservation status: Critically Endangered (D) (Cheek & Jebb 2014; DAO 2017-11). Native.
55. Nepenthes truncata Macfarl., Contr. Bot. Lab. Univ. Pennsylv. 3 (1911) 209; Merr., EPFP 2 (1923) 215; Macfarl., PJS 33 (1927) 137; Jebb & Cheek, Blumea 42 (1997) 89; Fl. Males. ser. 1, 15 (2001) 120; Coritico et al., PJS 151 (2022) 2440; Type: Allen 191 (?PENN), Mindanao: Surigao del Norte, near Samsolang, 600m, 1907. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Bukidnon, Davao, Davao Oriental, Surigao del Norte. Notes: Wet forests, ridges, exposed rock cliff among tall grasses, on ultramafics in Surigao del Norte, 225-600m. Conservation status: Endangered (DAO 2017-11). Native.
56. Nepenthes ultra Jebb & Cheek, Blumea 58 (2013) 241; Type: Ridsdale 1517 (K, holo; A, K, L, PNH, iso), Luzon: Zambales, Santa Cruz, 25-May-1986. Distribution: Endemic to the Philippines. LUZON: Aurora, Isabela, Zambales. Conservation status: Endangered (DAO 2017-11). Native.
57. Nepenthes ventricosa Blanco, Fl. Filip. (1837) 807; Merr., EPFP 2 (1923) 215; Macfarl. in Engl., Pflanzenreich 4, 3 (1908) 54; PJS 33 (1927) 133; Jebb & Cheek, Blumea 42 (1997) 90; Fl. Males. ser. 1, 15 (2001) 154; Type: Cuming 947 (MAN?), Luzon: Albay. Distribution: Endemic to the Philippines. CULION, LUZON: Albay, Aurora, Bataan, Benguet, Cagayan, Camarines, Camarines Sur, Ifugao, Ilocos Norte, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Quezon, Rizal, Sorsogon. Notes: Usually on mossy oak forests, 600-1500m. Conservation status: Endangered (DAO 2017-11). Native.
58. Nepenthes viridis Micheler, Gronem., Wistuba, Marwinski, W.Suarez & Amoroso, Das Taublatt 76 (2013) 4; Type: Micheler & Wistuba s.n. (CMUH00008636, holo), Dinagat, 23-Aug-2013. Distribution: Endemic to the Philippines. DINAGAT, SAMAR. Conservation status: Endangered (DAO 2017-11). Native.
59. Nepenthes zygon Jebb & Cheek, Blumea 59 (2014) 151; Type: Cheek 17059 (K, holo; L, PNH, iso), Mindanao, Mt Pasian, Sep-2013 (cult.). Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Davao Oriental. Conservation status: Critically Endangered (D) (Cheek & Jebb 2014; DAO 2017-11). Native.