Leaves to about 13 cm long and 3 cm wide. Pitchers with a swollen base, pale green, spotted with purple, similar to those of n. alata but without the glandular rib on the lower surface of the lid.
Malaysia, Indonesia (lowland)
Source: (1997). Nepenthaceae. In: . 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.