Taxonomic status: Synonym

homotypic synonyms:
Cactus curvispinus Bertero ex Colla; Eriosyce curvispina (Bertero ex Colla) Katt.; Hildmannia curvispina (Bertero ex Colla) Kreuz. & Buining; Horridocactus curvispinus (Bertero ex Colla) Backeb.; Pyrrhocactus curvispinus (Bertero ex Colla) A. Berger;

protologue: Cactaceae 3: 203 (1922)
URL protologue: https://archive.org/stream/cactaceaedescri03brit#page/203/mode/2up

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