Terrestrial climber. Stems angular, to 1.2 cm thick near the base. Leaves linear or lanceolate, up to 40 cm long, 5 cm wide; apex obtuse or acute; base attenuate decurrent; longitudinal veins to 4 on each side of the midrib. Lower pitchers wholly cylindrical or ellipsoidal, up to 16 cm tall, 7.5 cm wide; wings up to 2 cm wide, usually borne on longer tendrils to 1 m. Upper pitchers 15 cm tall, 6.5 cm wide, usually smaller and narrower wings or reduced to ridges, typically yellow, green, the upper half tending to be light purplish-red; basal third to half of pitcher broadly funnel-shaped, becoming cylindrical and slightly swollen towards the mouth. Pitcher opening oblique; peristome deep purplish red. Pitcher lid elliptic to ovate, 8 x 6.5 cm, narrowly cordate at base; lower surface without an appendage; spur to 1 cm long.
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McPherson, S. & V.B. Amoroso. 2011. Field Guide to the Pitcher Plants of the Philippines. 60p. Redfern Natural History Productions Ltd., Poole, Dorset, UK.
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