Details
Nepenthes mantalingajanensis nerz & a.wistuba
Description:
Terrestrial shrub, rarely a climber. Stem upright, 30⎼60 cm tall or less. Leaves petiolate; lamina broadly lanceolate, up to 20 cm long, 6 cm wide; apex acute or obtuse; base attenuate; petiole broad, up to 7 cm long, canaliculate. Lower pitchers up to 15 cm tall, 6.5 cm wide, generally ovoid, sometimes globose or tub-shaped, up to 12 cm wide, usually yellowish-green or orange, may be flushed with red or brown; wings to 8 mm wide, with fringed filaments to 5 mm long. Peristome dark red, loosely cylindrical, broad, up to 2 cm wide, expanded towards the sides and back of the pitcher mouth, lined with ribs up to 2 mm high, spaced up to 3 mm apart, the inner edges with needle-like teeth to 5 mm long. Pitcher lid cordate, with a rounded or pointed apex, up to 5 x 4 cm, lacking an appendage; spur narrow, branching occasionally, and up to 8 mm long. Upper pitchers not known, but narrow, elongated pitchers, almost funnel-shaped, are produced by plants with longer than 2 m stems.
References:
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.
- 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 or near opening
- Midribs and/or margins of leaves glabrous
- Wings on lower pitchers present, to 4-8 mm wide; upper pitchers up to 10 cm long
- Leaf lamina 2.5 cm wide; inner surface of peristome with prominent 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