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Taxonavigation: Caryophyllales 
Classification System: APG III

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Phyllocacteae
Subtribus: Echinocereinae
Genus: Acanthocereus
Species: A. baxaniensis – A. horridus – A. occidentalis – A. subinermis – A. tetragonus


Acanthocereus (Engelm. ex A.Berger) Britton & Rose (1909)

  • Type species: A. baxaniensis (Karwinsky ex Pfeiffer) Borg (Cereus baxaniensis Karw. ex Pfeiff.) Lectotypified by D.R.Hunt, Bradleya 9: 82. 1991.


  • Basionym
    • Cereus subsect. Acanthocereus Engelm. ex A.Berger, Rep. (Annual) Missouri Bot. Gard. 16: 77. 1905


  • The genus is sometimes treated as monotypic.
  • The type of Cereus cavendishii Monv. ex Salm-Dyck belongs here, but cannot be solved and the following names should be discarded. Most later authors misinterpreted Salm-Dyck's name as Praecereus saxicola (Morong). N.P.Taylor (D.Hunt 1998).
    • Cereus cavendishii Monv. ex Salm-Dyck, Cact. Hort. Dyck. ed. II. 211. 1850.
      • Cereus paxtoniana Monv. ex Salm-Dyck, Cact. Hort. Dyck. ed. II. 211. 1850.
      • Eriocereus cavendishii (Monv. ex Salm-Dyck) Riccob., Boll. Reale Orto Bot. Palermo 8: 238. 1909.
      • Monvillea cavendishii (Monv. ex Salm-Dyck) Britton & Rose, Cactaceae (Britton & Rose) 2: 21. 1920.
      • Monvillea cavendishii var. paxtoniana (Monv. ex Salm-Dyck) W.T.Marshall, Cactaceae (W.T.Marshall & T.M.Bock) 70. 1941.
      • Monvillea paxtoniana (Monv. ex Salm-Dyck) Backeb., Kaktus-ABC (Backeberg & F.M.Knuth) 183. 428. 1936.


  • Britton, N.L. & Rose, J.N. 1909: Contr. U.S. Natl. Herb. 12: 432.
  • Hunt, D. 1998: Further notes on Acanthocereus (Engelmann ex Berger) B. and R. Cactaceae Consensus Initiatives 5: 15-17.
  • Hunt, D. 2000: Notes on miscellaneous genera of Cactaceae subfam. Cactoideae. Acanthocereus. Cactaceae Systematics Initiatives 9: 13-15.

Vernacular names[edit]

English: Barbed-wire cactus, sword-pear, triangle cactus
lietuvių: Sijūnas
svenska: Snårpelarkaktussläktet
Wikimedia Commons For more multimedia, look at Acanthocereus on Wikimedia Commons.