Epiphyllum acuminatum K.Schum., Fl. Bras. 4(2): 222. 1890
Epiphyllum acuminatum, Fl. Bras. 4(2): 222. 1890
is basionym for Phyllocactus acuminatus, Gesamtbeschr. Kakt.: 213. 1897–1899
Lectotype (designated by Korotkova, N., Borsch, T. & Arias, S. 2017: 221): [illustration] t. 45 “Epiphyllum acuminatum” in Martius (1890: 222) https://biodiversitylibrary.org/page/138797