Ferocactus wislizeni (Engelm.) Britton & Rose
  • Cact.
  • Compass barrel, Arizona barrel cactus, candy barrel cactus

Cite taxon page as 'WFO (2021): Ferocactus wislizeni (Engelm.) Britton & Rose. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000686390. Accessed on: 15 Jun 2021'

General Information

Stems usually leaning southward in adulthood, depressed-spheric to ovoid-cylindric, 19-100(-300) × (20-)36-65(-100) cm. Ribs 20-30(-40), shallowly notched immediately above each areole. Spines 16-25(-29) per areole, central spines and larger radial spines dull pink, gray, or tan; smallest spines per areole white, slender, often bristlelike, less than 1 mm diam., strongly contrasting with central spines; central spines (1-)2-4, often with several, subulate subcentral spines, rigid; principal central spine strongly hooked (very rarely straight), 36-120(-150) mm from curve of hook to base of spine, 1.5-4(-7) mm wide, strongly annulate, terete, ± angular, or flattened and often adaxially troughlike; other central spines subulate, slightly smaller. Flowers similar in color inside and out, 4-8.5 × 4-6.5 cm; inner tepals orange, red, or yellow with orange to red midstripes, or wholly yellow; stigma lobes yellow, orange, or red. Fruits ± readily dehiscent through basal pore, bright yellow, 35-60 × 18-40 mm, thick walled, leathery or fleshy, locule dry, hollow except for seeds. Seeds (1.9-)2-2.5(-2.9) mm, essentially smooth with very narrow and slightly raised reticulations. 2n = 22.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Other Local Names

    Compass barrel, Arizona barrel cactus, candy barrel cactus

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • D See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    Global Tree Search
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • E Botanic Gardens Conservation International
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • F All Rights Reserved