As N. lowii but differing as follows: Leaves of climbing stems with petiole base de-current as two prominent, recurved ridges that unite above the node below. Longitudinal nerves entirely absent, rarely 1. Pennate nerves oblique, branching 1 or 2 times before reaching edge of leaf, conspicuous. Upper pitchers only very slightly constricted at midpoint; the peristome more pronounced; the lid relatively broader and larger than N. lowii, lower surface with numerous stout spike-like processes 2-3 by 1 mm towards the base, nectar glands volcano-like, 1 mm wide with a narrow central opening < 0.1 mm wide, these glands more numerous toward the lid margin, where the processes are absent.
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