Arequipa spinosissima F.Ritter in Taxon 13(4): 115. 1964
Arequipa spinosissima in Taxon 13(4): 115. 1964
is basionym for Borzicactus hempelianus var. spinosissimus in Natl. Cact. Succ. J. 25: 71. 1970
Type: Ritter 196 loc.1 – Peru: Arequipa: “Quicacha” [protologue / isotype label at SGO], s.a. (type herbaria: ZSS AX10497, SGO). B (sheet GH14195) (type number): ic (corp, ar, sp, fl), fl. – Notes: Ex cult. BG Berlin 127-34-74-80, 7.6.1983, from material originally raised from seeds received 1959 from H. Winter. Collection number established by inference.1