Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Coix lacryma-jobi L.

lagrima de san Pedro, lagrima de Job, trigo adlay, job's tears, adlay, adlay millet

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Liliopsida (= Monocotyledoneae)

Order
Cyperales

Family
Poaceae

Genus
Coix

Species
lacryma-jobi

Taxon category: Accepted

Syn.: Coix lacryma L.

Origin: Introduced - established

Introduction

Year of first record: 1932

Mode of introduction: Intentional

Introduction Pathway: Intentional

Subpathway: Agriculture/Horticulture

Introduced status: Naturalized

Invasive status: Potentially Invasive

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

References

  • Espejo Serna, A. López-Ferrari, A.R. & Valdés-Reyna, J. (2000) Poaceae. Monocot. Mexic. Sinopsis Floríst. 10: 7–236 [and index].
  • 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
  • Hitchcock, A.S. (1951) Man. Grasses U.S. (ed. 2) 1–1051.
  • Hitchcock, A.S. (1936) Man. Grasses W. Ind. 1–439.
  • 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 Charles Darwin Research Station, unpublished.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, Coix lacryma-jobi", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=930. Accessed 31 October 2026.