Nepenthes sanguinea Lindl.

Leaves to about 20 cm long, stalkless. Pitchers variable, suffused and spotted with reddish purple; wings fringed on basal ones and ribbed on upper ones.

Malay Archipelago (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.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Nepenthaceae
genus        Nepenthes L.