Cereus torulosus Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 12: 457. 1935

Type: Anonymus s.n. in Huntington BG 36/4 – s.l., s.a. (type not preserved).
B (sheet s.n.) (type collection): ic (corp, ar, sp, fl). A print made 1987 from an original negative in the Werdermann archives, made by Werdermann in 1933 and showing the cultivated type specimen at the Huntington Botanical Garden, California.1