File:Nepenthes stenophylla.gif

Summary
Nepenthes stenophylla herbarium specimens: a. upper portion of the stem of a male plant (Moulton 118), b. lower leaf with pitcher (Low, H.M.P.V.), c. lid seen from below (Hallier 3390), d. same lid seen from aside, e. female flower (same plant as b), f. male flower (same plant as a).

Source: Danser, B. H. 1928. The Nepenthaceae of the Netherlands Indies. Bulletin de Jardin de Botanique, Buitenzorg, Série III, 9 (3-4):249-438.