Nepenthes angustifolia Mast. in Gard. Chron. n.s. 16: 524. 1881 Nepenthes angustifolia Mast. in Gard. Chron. n.s. 16: 524. 1881Unknown type category: N Borneo, 1877–1878, F.W.T. Burbidge s.n. (K)Taxon for this nameNepenthes angustifolia Mast. in Gard. Chron. n.s. 16: 524. 1881