Nepenthes petiolata danser

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Description:
Terrestrial climber. Leaves petiolate; lamina elliptic-oblong, 10–30 cm long, 3–7 cm wide; apex acute; base attenuate, slightly decurrent; longitudinal nerves 3–4 on each side of the midrib, margins and midrib may be covered with short brown hair; petiole to 6 cm long, 0,5 cm wide, sub-canaliculate, winged. Lower pitchers up to 35 cm tall, 8 cm wide; basal part ovoid, cylindrical or funnel-shaped towards the ovate-acuminate pitcher mouth; wings are 1.6 cm wide. Peristome bright red, flattened up to 1.5 cm wide; ribs higher than 1 mm, with extended teeth on inner edge to 3 mm long. Upper pitchers 24 cm tall, 7 cm wide, same shape as lower pitchers; wings reduced to ridges or nearly indiscernible. Pitcher lid broadly ovate to broadly elliptic, 3.5 x 3 cm; apex rounded; base rounded, then abruptly and inconspicuously cordate at the spur; lower surface lacking basal appendages. Lower and upper pitchers typically red or reddish-purple.

References:
Cheek, M. & M. Jebb. 2001. Nepenthaceae. Flora Malesiana ser. I, vol. 15: 1–157.
Jebb, M. & M. Cheek. 1997. A skeletal revision of Nepenthes (Nepenthaceae). Blumea 42: 1–106.
Kurata, S. & M. Toyoshima. 1972. Philippine species of Nepenthes. Gardens’ Bulletin Singapore 26: 155–158.
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.

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