Terrestrial climber. Leaves petiolate, lamina elliptic to lanceolate c. 25 cm long, 6 cm wide; midrib on leaf lower surface and margins hairy; the petiole to 10 cm long, distinctly canaliculate. Lower pitchers up to 15 cm tall, 3.5 cm wide, ovoid or globose at the base, narrowing to cylindrical or funnel-shaped towards the mouth; wings up to 10 mm wide. Upper pitchers 26 cm long, 6 cm wide, similar to lower pitchers, widest at base or as wide at base and near mouth; usually creamy white or yellowish-green, often mottled with dark red or purple blotches. Peristome 3-10 mm wide, narrow and cylindrical, but flattened and expanded at the sides near the lid; ribs to 0.5 mm high; inner edges with teeth. Pitcher lid elliptic or ovate, often with a cordate or truncate base; spur 1.2 cm long, unbranched.
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