Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Opuntia megasperma var. orientalis
tuna, cactus
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![Opuntia megasperma var. orientalis. Photo: CDF Archive, 2017.](https://datazone.darwinfoundation.org/images/checklist/DSCN3202.jpg)
![Opuntia megasperma var. orientalis. Photo: CDF Archive, 2017.](https://datazone.darwinfoundation.org/images/checklist/DSCN0647.jpg)
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An impressive tree cactus with flat, spiny pads. The flowers are bright yellow. Adult cacti have orange-brown trunks with flaking bark and upper branches forming a crown. Popular in gardens for its sculpture-like quality.
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Caryophyllales
Family
Cactaceae
Genus
Opuntia
Species
megasperma
Subspecies
var. orientalis
Taxon category: Species with Infraspecific Taxa
Taxon origin: Endemic
- Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
- Porter, D.M. (1983) Vascular Plants of the Galapagos: Origins and Dispersal. In: Bowman, R.I., Berson, M. & Leviton, A.E. (eds.): Patterns of evolution in Galápagos organisms. Pacific Division, AAAS, San Francisco, California, p. 33-96.
- 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 Charles Darwin Research Station, unpublished.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:
- Jaramillo, P. (1998) Distribución Espacial de la Vegetación Vascular y Dispersión de Especies Introducidas dentro del Parque Nacional Galápagos. Tesis de Doctorado en Biología, Universidad Central del Ecuador. Especialización ECOLOGIA DE POBLACIONES.
- 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
- Howell, J.T. (1933) The Cactaceae of the Galapagos Islands. Proc. Calif. Acad. Sci. 21(5): 41-54.
- Porter, D.M. (1978) Nomenclatural Changes in Spilanthes, Lycopersicum and Opuntia for the Galápagos Islands. Madroño 25(1): 58-59.
- Jaramillo, P. (2000) Plantas amenazadas y medidas de conservación en varias islas del archipiélago. Informe Galápagos, 70-76 (Eds P. Ospina and E. Muñoz.). Quito-Ecuador: Fundación Natura y el Fondo Mundial para la Naturaleza (WWF).
- Atkinson, R. Jaramillo, P., Simbaña, W., Guézou, A. & Coronel, V. (2008) Advances in the conservation of threatened plant species of Galápagos. Galápagos Report, 97-102 (Eds L. Cayot and V. Toral). Puerto Ayora, Galápagos, Ecuador.
- Anderson, E.F. (1967.) An Account of My Cactus Collecting Trip to the Galapagos Islands. Cactus and Succulent J. Amer. 39:186-199.
- Davis, S. (1987) El centro mundial para el monitoreo de la conservación y las floras insulares amenazadas. Memorias. Taller sobre investigación Botánica y Manejo en Galápagos. Pg. 304-314
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Opuntia megasperma var. orientalis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=250. Accessed 27 July 2024.