Melocactus curvispinus subsp. obtusipetalus (Lem.) Xhonneux & Fern.Alonso in Revista Acad. Colomb. Ci. Exact. 26: 357. 2002
Melocactus curvispinus subsp. obtusipetalus in Revista Acad. Colomb. Ci. Exact. 26: 357. 2002
is new combination for Melocactus obtusipetalus, Cact. Aliq. Nov.: 11. 1838