Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Elytraria imbricata
Cordón de San Juan, Cola de alacrán, cordoncillo, pata de pollo, purple scalystem
Weedy caulescent herb, occasionally acaulescent, inflorescences on numerous scapes born at the axils of the leaves (WFO, 2022)
Common in disturbed areas. It is used as a medicine and for food (POWO, 2022)
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Scrophulariales
Family
Acanthaceae
Genus
Elytraria
Species
imbricata
Taxon category: Accepted
Syn.: Justicia imbricata Vahl
Origin: Introduced - established
Year of first record: 1939
Mode of introduction: Accidental
Introduction Pathway: Contaminant
Subpathway: Contaminant on plants (inc. seeds and plant associated material)
Introduced status: Naturalized
Invasive status: No data
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Zona del Pacífico, del Suroeste de los Estados Unidos a Sudamérica del oeste (WFO, 2022)
- 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
- Itow, S. (1997) List of Plant Specimens collected in the Galápagos Islands, Ecuador. Bulletin of the Faculty of Liberal Arts, Nagasaki University, Natural Science, 38 (1): 53-144.
- 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.
- Lawesson, J.E. (1987) Plantas exóticas en las Islas Galápagos, un resumen. Memorias. Taller sobre investigación Botánica y manejo en Galápagos. Pg. 17-23.
- 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, Elytraria imbricata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=127. Accessed 31 October 2026.