Nepenthes cornuta marwinski et al.

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Description:
Terrestrial climber. Stem about 0.8 cm diameter. Leaves petiolate, linear-lanceolate, 30 x 4.5 cm; apex acute, base broadly attenuate; with 3 longitudinal nerves on each side of the midrib; petiole 4 cm long, canaliculate and clasping the stem). Lower pitchers 15 x 3.4 cm, mouth ovate 2.8 cm wide; the pitcher bottom third is inflated, narrowing and becoming cylindrical and infundibuliform towards the mouth. The wings of the pitchers are reduced to ridges, usually without fringes. Pitcher lid 3.2 x 2.8 cm, ovate, appendage reduced to a rudimentary keel to 1 mm long; spur 3 mm long. Upper pitchers are up to 20 x 4.5 cm, the bottom part swollen, tapering the tendril; the pitcher mouth being the widest part. Wings reduced to vestigial ridges Pitchers green, light green or yellowish towards the mouth; interior and lower surface of lid with red or maroon specks. Peristome oblique, cylindrical 0.5–0.7 cm wide, green with fine red stripes. Lid 5 cm across, ovate to cordate; spur 0.8 cm long.


References:
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.
Gronemeyer, T., F. Coritico, A. Wistuba, D. Marwinski, T. Gieray, M. Micheler, F.S. Mey, & V. Amoroso. 2014. Four new species of Nepenthes L. (Nepenthaceae) from the central mountains of Mindanao, Philippines. Plants 3: 284–303.
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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