"This is a hybrid raised by Mr. Court in Messrs. Veitch's establishment between N. sanguinea as the seed-parent and N. Khasyana, the distillatoria of gardens, as the pollen-parent."A
Bibliography
A.Masters, M. T. 1881: Nepenthes mastersiana x, Hort. Veitch. – Gard. Chron. n.s. 16