Acanthocalycium thionanthum

Acanthocalycium thionanthum (Speg.) Backeb. is treated as an accepted taxon in Plants of the World Online.¹

The current source-backed classification places it in Cactaceae within Acanthocalycium.¹²

Its recorded native range/source remark is AGW, AGWLR, AGWME, AGWTU, AGWSJ, AGWSL, AGWCA, AGWSA, AGWSE, SOUTHERNSOUTHAMERICA, SOUTHERNAMERICA, AGWJU; NW. Argentina.¹

POWO records the plant context as succulent subshrub, desert or dry shrubland.¹

This is a source-populated draft intended for later Kaktus Doktoru editorial rewriting; care advice and morphology should be reviewed before publication.

References

1. Plants of the World Online. "Acanthocalycium thionanthum (Speg.) Backeb.". Royal Botanic Gardens, Kew. Accessed: 2026-06-10. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:1629-2 ↩
2. GBIF Secretariat. "Acanthocalycium thionanthum". GBIF Backbone Taxonomy. Accessed: 2026-06-10. https://www.gbif.org/species/7283714 ↩