Galapagos Species Database

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

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Acmella darwinii (D.M. Porter) R.K. Jansen

Pollen grain of Acmella darwinii (D.M. Porter) R.K. Jansen (scanning electron micrograph). Photo: Patricia Jaramillo Díaz & M. Mar Trigo, CDF, 2011.
Pollen grain of Acmella darwinii (D.M. Porter) R.K. Jansen (scanning electron micrograph). Photo: Patricia Jaramillo Díaz & M. Mar Trigo, CDF, 2011.

Diffuse and several-stemmed from base erect weakly, leaf blades deltoid to lance-ovate, heads small, white, strictly discoid, corollas black with form of disk, pappus none.

In moist soil disturbed areas

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Magnoliopsida (= Dicotyledoneae)

Order
Asterales

Family
Asteraceae

Genus
Acmella

Species
darwinii

Taxon category: Accepted

Syn.: Spilanthes darwinii Porter, S. diffusa Hook.f., S. diffusa var. minor fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)

Origin: Endemic

Status

Vulnerable

Distribution

Distribution: Species present on the islands of Isabela (on the Sierra Negra volcano), Santa Cruz, San Cristóbal, Santiago and Floreana. There are few records and everywhere it seems to be scarce. Most records are from areas damaged by agriculture or feral animals.

References

  • Andersson, N.J. (1855) Om Galápagos Öarnes Vegetation. Kongliga Svenska Vetenskaps Akademien Handl., Stockholm: 61-256.
  • Hooker, J.D. (1847) An Enumeration of the Plants of the Galapagos Archipelago; with descriptions of those which are new. Transactions of the Linnean Society of London 20: 163-233.
  • Jansen, R.K. (1985) The systematics of Acmella (Asteraceae—Heliantheae). Syst. Bot. Monogr. 8: 1–115.
  • 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.
  • León-Yánez, S. Valencia, R., N. Pitman, L. Endara, C. Ulloa Ulloa & H. Navarrete (2011) Libro rojo de las plantas endémicas del Ecuador. 2 da. Edición. Publicaciones del Herbario QCA, Pontificia Universidad Católica del Ecuador, Quito. Pp. 957.
  • Nowak, J.B. (1987) Final report on studies in burnt area, Sierra Negra, Isabela Island, Galapagos Islands Ecuador. Charles Darwin Research Station, unpublished.
  • Porter, D.M. (1978) Nomenclatural Changes in Spilanthes, Lycopersicum and Opuntia for the Galápagos Islands. Madroño 25(1): 58-59.
  • Royal Botanic Gardens, Kew Missouri Botanical Garden (eds.) (2013) The Plant List, Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).
  • Stewart, A. (1911) A botanical survey of the Galápagos Islands. Proc. Calif. Acad. Sci. 4th Series, 1: 7-288.
  • 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.

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This page should be cited as follows:

"Galapagos Species Database, Acmella darwinii", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=360. Accessed 3 April 2026.