Leaves to about 20 cm long. Pitchers variable, extremely large, 20-30 cm long, lowermost cylindrical, upper ones opening out at the mouth; lid more or less cordate; wings toothed or ridged.

Borneo, Celebes, Moluccas, New Guinea (highland)

Source: Anderson, P.; Spencer, R. (1997). Nepenthaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.