Taxonomic status: Unresolved

homotypic synonyms:
Echinocactus napinus Phil.; Eriosyce napina (Phil.) Katt.; Hildmannia napina (Phil.) Kreuz. & Buining; Malacocarpus napinus (Phil.) Britton & Rose; Neochilenia napina (Phil.) Backeb.; Thelocephala napina (Phil.) Y.Itô;

protologue: Blätt. Kakteenf. 2(9): 4 (1935)
URL protologue: https://archive.org/stream/#page/4/mode/2up

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