Taxon: Echinocactus polycephalus Engelm. & J. M. Bigelow

Genus: Echinocactus
Family: Cactaceae
  Subfamily: Cactoideae
      Tribe: Cacteae
Nomen number: 448596
Place of publication: G. Engelmann, Proc. Amer. Acad. Arts 3:276. 1856
Name Verified on: 28-Jun-2005 by ARS Systematic Botanists. Last Changed: 04-Dec-2007
Species priority site is:
Accessions: 0 in National Plant Germplasm System

Common names:

  • cottontop cactus  (Source: F NAmer) - English
  • many-head barrel cactus  (Source: F NAmer) - English

Economic Importance:

  • CITES Appendix II: ()

Distributional Range:


  • Northern America

    • Northern Mexico: Mexico - Sonora
    • Southwestern U.S.A.: United States - Arizona, - California, - Nevada


  • Chamberland, M. 1997. Systematics of the Echinocactus polycephalus complex (Cactaceae) Syst. Bot. 22:303-313.
  • CITES Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) Appendices I, II and III (on-line resource). (CITES Appendices)
  • FNA Editorial Committee Flora of North America. 1993- (F NAmer)
  • Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993 (F CalifJep)
  • Hunt, D. et al., eds. The new cactus lexicon. 2006 (Cact Lexicon)
  • Shreve, F. & I. L. Wiggins Vegetation and flora of the Sonoran desert. 1964 (F SonorDes)

Check other web resources for Echinocactus polycephalus Engelm. & J. M. Bigelow :