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.
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