Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Scalesia stewartii
lechoso, stewart´s scalesia
Young twigs densely glandular with white trichomes intermixed, ray-flowers absent and the anthers almost entirely protruding.
In barren lava beds and cinders, from near the coast to above 200m.
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Asterales
Family
Asteraceae
Genus
Scalesia
Species
stewartii
Taxon category: Accepted
Syn.: Scalesia stewartii var. euryphylla fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)
Origin: Endemic
Distribution: Species restricted to the east of Santiago Island and Bartolome Island. Common in its range but in Santiago subject to damage by feral animals. Probably stabilized due to the feral animal eradication program, but its recovery depends on the success of this program.
- Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
- Eliasson, U. (1974) Studies in Galapagos Plants. XIV. The Genus Scalesia Arn. Opera Botanica 36: 1-117.
- Adsersen, H. (1989) The Rare Plants of the Galapagos Islands, Ecuador and their Conservation. Biol. Conservation 47(1): 49-77.
- Harling, G. (1962) On Some Compositae Endemic to the Galápagos Islands. Acta Horti Bergiani. 20(3): 63-119.
- Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
- Howell, J.T. (1941) The genus Scalesia. Proc. Calif. Acad. Sci. Series 4, 22: 221-271.
- Riley, L.A.M. (1925) Critical Notes on Galápagos Plants (St. George Pacific Expedition, 1924). Kew Bull. Misc. Info. 1925(5): 216-231.
- 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.
- 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.
- 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).
- Jaramillo, P. Trigo, M. M. (2006) Pollen morphology of the Galapagos endemic genus Scalesia Arn. (Asteraceae). Noticias de Galápagos 64: 26-30.
- Lawesson, J.E. (1987) Especies de plantas amenazadas y lugares prioritarios para la conservación de las plantas en las Islas Galápagos. Memorias. Taller de Investigación Botánica y Manejo en Galápagos
- 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.
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This page should be cited as follows:
"Galapagos Species Database, Scalesia stewartii", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=355. Accessed 11 February 2025.