Details

Nepenthes pantaronensis gieray et al.

Description:
Terrestrial climber. Stems terete, to 1 cm diameter. Leaves linear to oblong, up to 28 cm long, 5 cm wide, with 2 longitudinal veins on each side of the midrib; apex of the lamina is acute; base attenuate; petiole canaliculate, winged, strongly decurrent. Lower pitchers are up to 35 cm tall, 6 cm wide, though usually smaller; the basal ¼ inflated, cylindrical to infundibular towards the pitcher mouth; wings are usually reduced to ribs without fringes, but rarely some fringes may be present just below the mouth; pitcher mouth oblique, up to 5 cm wide. Peristome yellowish-green with flecks of red, flattened, up to 2.5 cm wide, ribs to 2 mm high, narrower in upper pitchers and with shorter ribs; the inner edge of the peristome with teeth up to 3 mm long. Pitcher lid ovate, up to 7 cm long and 6 cm wide; lower surface with basal ridge and appendage, with prominent, triangular hook; spur to 5 mm long, unbranched. Upper pitchers up to 40 cm tall, 5 cm wide, shape similar to lower pitchers, yellowish-green.

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,
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.

Subspecies :

Common name / Local name : pitcher plant

Family : Nepenthaceae

Genus : Nepenthes

Taxonomic Group :

CITES Appendix : N/A

Conservation Status : Vulnerable

Geographic Location : Endemic

Identifications: Nepenthes Pantaronensis

Leaves with a distinct petiole
Leaf apex not deeply notched or truncate
Lower surface of pitcher lid with basal ridge and appendages
Stems stems terete or angular, without wings
Upper pitchers widest at base or equally wide at base and near opening
Petioles canaliculate
Midribs and/or margins of leaves hairy
Lid of pitcher not domed, 5-6 cm wide
Pitchers without fringed wings
Lid appendage with prominent, triangular hook
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