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.


pitcher plant
Nepenthaceae
Nepenthes
N/A
Vulnerable
Endemic
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