Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Argemone mexicana
cardo santo, chicalote, Mexican prickly poppy, Mexican pricklypoppy, yellow pricklypoppy
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Papaverales
Family
Papaveraceae
Genus
Argemone
Species
mexicana
Taxon category: Accepted
Syn.: Argemone mexicana var. lutea Kuntze.
Origin: Introduced - established
Year of first record: 1965
Year of introduction: 1950
Mode of introduction: Intentional
Introduction Pathway: Intentional
Subpathway: Agriculture/Horticulture
Introduced status: Naturalized
Invasive status: Potentially Invasive
Map of specimen collection localities or observation records for this species in our collections database.
- Guézou, A. Trueman, M., Buddenhagen, E., Chamorro, S., Guerrero, A.M., Pozo, P., Atkinson, R. (2010) An extensive Alien Plan Inventory from the Inhabited Areas of Galapagos Plos One/ www.plosone.org. Volume 5/ Issue 4/e10276
- 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.
- Lawesson, J.E. (1987) Plantas exóticas en las Islas Galápagos, un resumen. Memorias. Taller sobre investigación Botánica y manejo en Galápagos. Pg. 17-23.
- 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 Charles Darwin Research Station, unpublished.
- 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.
- Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
- Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
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, Argemone mexicana", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=650. Accessed 31 October 2026.