Stunted plants from higher altitudes typically produce dark terrestrial pitchers.
Some specimens are noted for producing very dark, almost black, upper pitchers.
The plant will continue to produce pitchers throughout the summer, however much smaller than the early spring pitchers.
Under his conditions it produces pitchers that are almost completely black.
The species produces attractive funnel-shaped pitchers up to 25 cm high.
Plants also occur in forest, but these do not produce pitchers, probably due to the high light requirements of this species.
Unlike its close relatives, N. gantungensis frequently produces upper pitchers.
N. x kinabaluensis seems to produce upper pitchers more readily than either of its parents.
The hybrid is a strong climber and frequently produces upper pitchers.
This hybrid is similar to N. mikei and also produces mostly black lower pitchers.