Galapagos Species Checklist

Opuntia echios var. echios Howell

tuna gigante, tuna, cactus

Specimen of Opuntia echios var. echios in the CDRS Herbarium. Photo: CDF Archive, 2012.
Specimen of Opuntia echios var. echios in the CDRS Herbarium. Photo: CDF Archive, 2012.

An impressive tree cactus with flat, spiny pads. The flowers are bright yellow. Adult cacti have orange-brown trunks with flaking bark. Popular in gardens for the sculpture-like quality.

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Magnoliopsida (= Dicotyledoneae)

Order
Caryophyllales

Family
Cactaceae

Genus
Opuntia

Species
echios

Subspecies
var. echios

Taxon category: Accepted

Syn.: Opuntia myriacantha Weberfide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)

Status

Endangered

References

  • Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
  • Lundh, J.P. (1995) Some additional information and comments on the Annotated Check list of Vascular Plants of the Galapagos Islands by Lawesson, Adsersen and Bentley. Charles Darwin Research Station, unpublished.
  • Lawesson, J.E. Adsersen, H. & Bentley, P. (1987) An updated and annotated check list of the vascular plants of the Galapagos islands. Rept. Bot. Inst., Univ. Aarhus 16: 1-74.
  • Hicks, D.J. Mauchamp, A. (1996) Evolution and conservation biology of the Galapagos Opuntias (Cactaceae). Yearbook Cactus Succulent Soc. Am. 4:
  • Jørgensen, P.M. León-Yánez, S. (eds.) (1999) Catalogue of the Vascular Plants of Ecuador. Monographs in Systematic Botany from the Missouri Botanical Garden 75. Missouri Botanical Garden Press, St. Louis, 1181 pp.
  • Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
  • Atkinson, R. Guézou, A. & Jaramillo, P. (2009) Siémbrame en tu jardín - Plantas nativas para jardines en Galápagos. Fundación Charles Darwin, Puerto Ayora, Galápagos, Ecuador, 151 pp.
  • Royal Botanic Gardens, Kew Missouri Botanical Garden (eds.) (2013) The Plant List, Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).
  • Stewart, A. (1911) A botanical survey of the Galápagos Islands. Proc. Calif. Acad. Sci. 4th Series, 1: 7-288.
  • Anderson, E.F. Walkington, D.L. (1970) New Combinations and Taxa in the Cactaceae of the Galápagos Islands. Madroño 20(5): 256.
  • Helsen, P. Verdyck, P., Tye, A., Van Dongen, S. (2008) Low levels of genetic differentiation between Opuntia echios varieties on Santa Cruz (Galápagos) Springer-Verlag. 2009
  • Anderson, E.F. (1967.) An Account of My Cactus Collecting Trip to the Galapagos Islands. Cactus and Succulent J. Amer. 39:186-199.

The “Charles Darwin Foundation for the Galapagos Islands”, in French “Fondation Charles Darwin pour les îles Galapagos”, Association International sans but lucratif (“AISBL”), has its registered office located at Drève du Pieuré 19, 1160 Brussels, and is registered under the trade registry of Brussels under the number 0409.359.103.

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