Echinopsis rhodacantha

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cereeae
Subtribus: Trichocereinae
Genus: Echinopsis
Species: Echinopsis rhodacantha

Name

Echinopsis rhodacantha (Salm-Dyck) Salm-Dyck, Cact. Hort. Dyck., ed. 2: 182. (1850)

Synonyms

• Basionym
  • Echinocactus rhodacanthus Salm-Dyck, Hort. Dyck.: 341 (1834)
• Homotypic
  • Cleistocactus rhodacanthus (Salm-Dyck) Lem., Ill. Hort. 8(Misc.): 35 (1861)
  • Denmoza rhodacantha (Salm-Dyck) Britton & Rose, Cact. 3: 79 (1922)
  • Pilocereus rhodacanthus (Salm-Dyck) Speg., Anales Mus. Nac. Buenos Aires, ser. 3, 4: 485 (1905)
• Heterotypic
  • Cereus erythrocephalus (K.Schum.) A.Berger, Rep. (Annual) Missouri Bot. Gard. 16: 69 (1905)
  • Denmoza erythrocephala (K.Schum.) A.Berger, Kakteen: 339 (1929)
  • Denmoza rhodacantha var. diamantina Slaba, Kaktusy (Brno) 32: 98 (1996)
  • Echinocactus coccineus Pfeiff., Enum. Diagn. Cact.: 50 (1837)
  • Echinocactus rhodacanthus var. coccineus Monv. ex Labour. in Monogr. Cact.: 304 (1853)
  • Mammillaria coccinea G.Don in J.C.Loudon, Hort. Brit.: 194 (1830)
  • Pilocereus erythrocephalus K.Schum., Gesamtbeschr. Kakt.: 195 (1897)
    

Note: CACO prefers Denmoza rhodacantha (Salm-Dyck) Britton & Rose, Cact. 3: 79 (1922), which has its own taxon page for now. However, see Romeiro-Brito et al., (2023), whose phylogeny place Denmoza in synonymy with Echinopsis

References

• Salm-Reifferscheidt-Dyck, J. zu 1850. Cacteae in Horto Dyckensi Cultae ed. 2: 182.
• Romeiro-Brito, M., Taylor, N.P., Zappi, D.C., Telhe, M.C., Franco, F.F. & Moraes, E.M. 2023. Unravelling phylogenetic relationships of the tribe Cereeae using target enrichment sequencing. Annals of Botany 132(5): 989-1006. DOI: 10.1093/aob/mcad153 Reference page. 
• Govaerts, R. et al. 2025. Echinopsis rhodacantha in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 May 24. Reference page. 
• International Plant Names Index. 2025. Echinopsis rhodacantha. Published online. Accessed: May 24 2025. Reference page.
• Korotkova, N. et al. 2025. Echinopsis rhodacantha in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2025 May 24. Reference page. 
• Tropicos.org 2025. Echinopsis rhodacantha. Missouri Botanical Garden. Published online. Accessed: 24 May 2025. Reference page.