Nepenthes truncata macfarl.

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Description:
Terrestrial or epiphytic shrub or climber. Stem terete, 1.5⎼3 cm diameter. Leaves petiolate, thickly coriaceous, sub-rectangular, c. 45 cm long, 22 cm wide, often widest at apex than at base; apex deeply emarginate, retuse, or truncate, margins often wavy; petiole up to 10⎼15 cm long, canaliculate and winged. Lower pitchers up to 24 cm long, 6 cm wide, wholly cylindrical or swollen in basal half and cylindrical towards pitcher mouth. Upper pitchers c. 30 x 10 cm, or larger, cylindrical or swollen and inflated near the base and narrowing to cylindrical or slightly funnel-shaped towards pitcher mouth, without wings, usually yellowish green. Upper pitchers cylindrical, up to 30 cm long, 10 cm wide, wings absent; mouth ovate, oblique. Peristome red or reddish-brown, flattened to 6 cm wide, inner surface with conspicuous teeth. Pitcher lid ovate to triangular, apex acute to rounded, base cordate, lower surface with rounded basal appendage, c. 13 mm high, 12 mm wide, spur 10⎼12 mm long.


References:
Cheek, M. & M. Jebb. 1999. Nepenthes (Nepenthaceae) in Palawan, Philippines. Kew Bulletin 54(4): 887–895.
Cheek, M. & M. Jebb. 2001. Nepenthaceae. Flora Malesiana ser. I, vol. 15: 1–157.
Cheek, M. & M. Jebb. 2014. Expansion of the Nepenthes alata group (Nepenthaceae), Philippines, and description of three new species. Blumea 59: 144–154.
Fernando, E.S., V.B. Amoroso, D.N. Tandang, C.I. Banag, A.B. Lapis, W.S. Gruèzo, F.P. Coritico, F.A. Pollisco Jr., A.M. Palijon, M.D. Ching, F.P. Lansigan, C. Garcia-Francisco, N.M. Lita, A.M. Tagtag, & J.L. De Leon. 2021. Threatened Plants of the Philippines. 147p. Biodiversity Management Bureau, Department of Environment and Natural Resources (DENR), Quezon City, Philippines. ISBN 978-621-96498-0-3.
Fernando, E.S., R.B. Arbolonio, & E.P. Lillo. 2017. Forest Flora of Dinagat Island: An Introductory Guide. 128p. Department of Environment and Natural Resources (DENR), Philippines. ISBN 978-621-95785-0-9.
Jebb, M. & M. Cheek. 1997. A skeletal revision of Nepenthes (Nepenthaceae). Blumea 42: 1–106.
Macfarlane, J.M. 1927. The Philippine species of Nepenthes. Philippine Journal of Science 33: 127–140.
McPherson, S. & V.B. Amoroso. 2011. Field Guide to the Pitcher Plants of the Philippines. 60p. Redfern Natural History Productions Ltd., Poole, Dorset, UK.
Pelser, P.B., J.F. Barcelona, & D.L. Nickrent (eds.). 2011 onwards. Co’s Digital Flora of the Philippines. http://www.philippineplants.org.

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