Oreocereus

Taxonavigation

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

Oreocereus (A.Berger) Riccob. (1909)

Basionym
- Cereus subg. Oreocereus A.Berger, Rep. (Annual) Missouri Bot. Gard. 16: 64 (1905).

Heterotypic
- Arequipa Britton & Rose, Cactaceae 3: 100 (1922).
  - Type species: Arequipa leucotricha (Phil.) Britton & Rose
- Arequipiopsis Kreuz. & Buining, Repert. Spec. Nov. Regni Veg. 50: 195, 198 (1941).
  - Type species: Arequipiopsis hempeliana (Gürke) Kreuz. & Buining
- Echinocactus [infragen.gruppe] Myriacanthi Vaupel in Engl. & Prantl, Nnat. Pflanzenfam. 21: 623, 626 (1925).
  - Type species: Echinocactus leucotrichus Phil.
- × Moraquipa Rüd.Baumgärtner, Hybriden-J. 2012(2): 18 (2012).
  - Formula hybridae: Arequipa Britton & Rose × Morawetzia Backeb.
- Morawetzia Backeb., Jahrb. Deutsch. Kakteen-Ges. 1: 73, fig. 1936.
  - Type species: Morawetzia doelziana Backeb.

Native distribution areas:
Continental: Southern America Regional: Western South America Andes of S-Peru, S-Bolivia, N-Chile, and N-Argentina References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. 2021. The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8(215): 1–10. DOI: 10.1038/s41597-021-00997-6 Reference page.
Hunt, D.R., Taylor, N. & Charles, G. (ed.) 2006. The New Cactus Lexicon. Milborne Port. ISBN 0-9538134-4-4.
Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A. , Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021. Cactaceae at Caryophyllales. org–a dynamic online species-level taxonomic backbone for the family. Willdenowia 51(2): 251–270. DOI: 10.3372/wi.51.51208 Reference page.

Govaerts, R. et al. 2025. Oreocereus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 JUne 03. Reference page.
Hassler, M. 2021. World Plants. Synonymic Checklist and Distribution of the World Flora. . Oreocereus. Accessed: 03 Nov 2021.
International Plant Names Index. 2021. Oreocereus. Published online. Accessed: Nov 03 2021. Reference page.
Tropicos.org 2021. Oreocereus. Missouri Botanical Garden. Published online. Accessed: 03 Nov 2021. Reference page.
Korotkova, N. et al. 2021. Oreocereus in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Nov 03. Reference page.