Galapagos Species Database

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

Scalesia atractyloides Arn.

lechoso

Shrub twigs of the season more or less villous, leaves alternate, petiole, pinnately veined, disk with 20-30 flowers and leafy tip conspicuously.

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Magnoliopsida (= Dicotyledoneae)

Order
Asterales

Family
Asteraceae

Genus
Scalesia

Species
atractyloides

Taxon category: Species with Infraspecific Taxa

Syn.: Scalesia darwinii Hook. f. fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)

Origin: Endemic

Status

Endangered

Distribution

Distribution: This species has two varieties on Santiago Island, in several small subpopulations. It has declined, even certain subpopulations have become extinct due to attack by introduced animals. Its populations has probably stabilized due to an eradication program of these animals.

References

  • Andersson, N.J. (1858) Flora of the Galápagos Islands (translated from Swedish). Kongliga Svenska Vetenskaps-Academien Botanik 1: 3-34
  • Andersson, N.J. (1855) Om Galápagos Öarnes Vegetation. Kongliga Svenska Vetenskaps Akademien Handl., Stockholm: 61-256.
  • Bensted-Smith, R. Cruz, E. & Valverde, F. (2000) The strategy for conservation of terrestrial biodiversity in Galápagos. Bull. Inst. R. Sci. Nat. Belg. Suppl. 70: 65-70.
  • Bisconti, M. Landini, W., Bianucci, G., Cantalamessa, G., Carnevale, G. Ragaini, L. & Valleri, G. (2001) Biogeographic relationships of the Galapagos terrestrial biota: parsimony analyses of endemicity based on reptiles, land birds and Scalesia land plants. J. Biogeogr. 28: 495-510.
  • Eliasson, U. (1968) Studies in Galápagos Plants. V. Some New Botanical Records from the Archipelago. Svensk Botanisk Tidsskrift 62: 243-250.
  • 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.
  • Howell, J.T. (1941) The genus Scalesia. Proc. Calif. Acad. Sci. Series 4, 22: 221-271.
  • Jaramillo, P. Trigo, M. M. (2006) Pollen morphology of the Galapagos endemic genus Scalesia Arn. (Asteraceae). Noticias de Galápagos 64: 26-30.
  • Jaramillo, P. (2000) Plantas amenazadas y medidas de conservación en varias islas del archipiélago. Informe Galápagos, 70-76 (Eds P. Ospina and E. Muñoz.). Quito-Ecuador: Fundación Natura y el Fondo Mundial para la Naturaleza (WWF).
  • 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. Hamann, O., Black, J. (1987) Recopilación de las recomendaciones del taller: Investigación Botánica y Manejo en Galápagos Memorias. Investigación Botánica y Manejo en Galápagos. Pg.329-336
  • 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.
  • Mauchamp, A. Aldaz, I., Ortiz, E. & Valdebenito, H. (1998) Threatened species, a re-evaluation of status of eight endemic plants of the Galapagos. Biodiversity and Conservation 7: 97-107.
  • Riley, L.A.M. (1925) Critical Notes on Galápagos Plants (St. George Pacific Expedition, 1924). Kew Bull. Misc. Info. 1925(5): 216-231.
  • Robinson, B.L. (1902) Flora of the Galapagos Islands. Papers from the Hopkins-Stanford Expedition to the Galapgaos Islands. Proc. Amer. Acad. 38(4): 78-270.
  • 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
  • Valencia, R. Pitman, N., León-Yánez, S. & Jørgensen, P.M. (2000) Libro Rojo de las Plantas Endémicas del Ecuador. Herbario QCA, Pontificia Universidad Católica del Ecuador. Ecuador 2000 i–iv, 1–489.
  • 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, Scalesia atractyloides", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=1102. Accessed 31 October 2026.