Taxonomic status: Synonym

homotypic synonyms:
Echinocactus violaciflorus Quehl; Echinofossulocactus violaciflorus (Quehl) Britton & Rose; Stenocactus violaciflorus (Quehl) A. Berger ex A.W. Hill;

protologue: Cactaceae 3: 114 (1922)
URL protologue: https://archive.org/stream/cactaceaedescri03brit#page/114/mode/2up

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