Galapagos Species Database

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

Senna obtusifolia (L.) H.S. Irwin & Barneby

dormidera, sicklepod

Photo: .
Photo: .

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Magnoliopsida (= Dicotyledoneae)

Order
Fabales

Family
Fabaceae

Genus
Senna

Species
obtusifolia

Taxon category: Accepted

Syn.: Cassia tora

Origin: Introduced - established

Introduction

Year of first record: 1930

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: Contaminant on plants (inc. seeds and plant associated material)

Introduced status: Naturalized

Invasive status: Invasive

Distribution

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

References

  • Adsersen, H. (s.a.) Field notes, 1974 and 1977 collections Charles darwin Research Station, unpublished Manuscript.
  • Chavez, J. (1993) Diagnostico de la Agricultura y la Ganader¡a en la Provincia de Galapagos. Tesis.
  • 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
  • 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, Senna obtusifolia", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=504. Accessed 13 July 2026.