Details

Nepenthes philippinensis macfarl.

Description:
Terrestrial climber. Stem terete, 3.5–5 mm diameter, internodes 2–5 cm long. Leaves without a distinct petiole; lamina oblanceolate-ligulate 14–28 x 1.7–3.6 cm, apex acute, base parallel-sided, clasping the stem, decurrent; longitudinal nerves 4–5 on each side of the midrib. Lower pitchers ovoid-cylindrical. with two fringed wings. Upper pitchers sub-cylindrical, slightly inflated in lower third, 18 x 4 cm, with two ridges 1–2 mm broad, lacking wings with fringed elements. Pitcher mouth oblique, ovate, 3–5 x 1.5–2.5 cm; peristome narrow, rounded, 1.5–2 mm across, usually unevenly flattened, 2.5–8.5 mm wide, ribs 0.3–0.5 mm apart, about 0.1 mm high; teeth absent from inner margin. Lid broadly ovate to suborbicular, 2.6–3.7 x 2.5–3.2 cm, apex rounded or truncate, slightly retuse, base cordate; lower surface lacking appendages; glands scattered, absent from midrib area and marginal 2 mm, crater-like, 0.2–0.3 mm long; spur unbranched, straight or curved, 3–5 x 0.8 mm. Lower and upper pitchers generally yellowish-green, sometimes finely speckled in maroon.

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.
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.
Macfarlane, J.M. 1908. Nepenthaceae. In: Engler, A. (ed.), Das Pflanzenreich Heft 36, 4, 3: 1–92, W. Engelmann, Berlin.
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.

Subspecies :

Common name / Local name : pitcher plant

Family : Nepenthaceae

Genus : Nepenthes

Taxonomic Group :

CITES Appendix : N/A

Conservation Status : Endangered

Geographic Location : Endemic

Identifications: Nepenthes philippinensis

Leaves without a distinct petiole
Upper pitchers not constricted at the middle part, broadest at the base; peristome narrow
Inner margins of the peristome without teeth
Nepenthes
Leaves with midrib extended into a long tendril with the distal part forming into a cup or pitcher-like structures
Angiosperms
Plants producing true flowers and fruits for sexual reproduction