Galapagos Species Database

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

Sida spinosa L.

sida, malva de caballo, prickly fanpetals, prickly sida, mallow, prickly

Annual, perennial herb, 0.3-0.8m tall, with linear blades and axillary flowers. The petals are pale yellow to yellow-orange and the the flowers are solitary or few-flowered clusters (Wiggins and Porter, 1971).

Found mostly at lower elevations in the Galápagos Islands (Wiggins and Porter, 1971).

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Magnoliopsida (= Dicotyledoneae)

Order
Malvales

Family
Malvaceae

Genus
Sida

Species
spinosa

Taxon category: Accepted

Syn.: Sida angustifolia Lam., S. tenuicaulis Hook.f. fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)

Origin: Native

Distribution

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

Distribution: The native range of this species is Tropics & Subtropics (POWO, 2023).

References

  • Abbott, I. Abbott, L.K. (1973) New distribution records of 65 plant species within the Galapagos Archipelago. Charles Darwin Research Station (CDRS), unpublished.
  • Andersson, N.J. (1855) Om Galápagos Öarnes Vegetation. Kongliga Svenska Vetenskaps Akademien Handl., Stockholm: 61-256.
  • Andersson, N.J. (1861-1862) Ueber Die Vegetation der Galapagos-Inseln Linnaea 31: 571-631
  • Andersson, N.J. (1858) Flora of the Galápagos Islands (translated from Swedish). Kongliga Svenska Vetenskaps-Academien Botanik 1: 3-34
  • Blake, S. Wikelski, M., Cabrera, F., Guézou, A., Silva, M., Sadeghayobi, E., Yackulik, C. & Jaramillo, P. (2011) Gardeners of Galapagos? Seed dispersal by giant tortoises. Journal of Biogeography (submission): 1-41.
  • Brako, L. Zarucchi,J.L. (1993) Catalogue of the Flowering Plants and Gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45: i–xl, 1–1286.
  • Cayot, L. J. (1987) Ecology of Giant Tortoise (Geochelone elephantopus)in the Galápagos Islands. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Biology in the Graduate School of Syracuse University.
  • Christophersen, E. (1932) A Collection of Plants from the Galápagos Islands. Nyt Mag. Naturvidenskaberne 70: 67-95.
  • CONABIO (2009) Catálogo taxonómico de especies de México. Cap. nat. México 1.
  • D'Arcy, W.G. (1987) Flora of Panama. Checklist and Index. Monogr. Syst. Bot. Missouri Bot. Gard. 17(1): i–xxx, 1–328; 18(2): i–ix, 1–672.
  • Fosberg, F. R. (1987) Vegetación inalterada en Fernandina, 1964 Memorias. Investigación Botánica y Manejo en Galápagos. Pg. 66-74
  • Fryxell, P. (1979) The Natural History of the Cotton Tribe (MALVACEAE - Tribe Gossypieae). College Station: Texas A & M University Press.
  • Fryxell, P.A. (1992) 118. Malvaceae. Flora del Ecuador 44: 1–141.
  • Heleno, R. Blake, S., Jaramillo, P., Traveset, A., Vargas, P. & Nogales, M. (2011) Frugivory and seed dispersal in the Galápagos: what is the state of the art? Integrative Zoology 6: 110-128.
  • 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.
  • 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.
  • 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).
  • Royal Botanic Gardens, Kew (2022) Plants of the world online POWO (2022): Plants of the world online. Published on the Internet; Https://powo.science.kew.org/
  • Standley, P.C. Steyermark, J.A. (1946) Burseraceae. In Standley, P.C. & Steyermark, J.A. (eds.) Flora of Guatemala - Part V. Fieldiana, Bot. 24(5): 434–444
  • Stewart, A. (1911) A botanical survey of the Galápagos Islands. Proc. Calif. Acad. Sci. 4th Series, 1: 7-288.
  • Svenson, H.K. (1935) Plants of the Astor Expedition, 1930 (Galapagos and Cocos Islands). Am. J. Bot. 22: 208-277.
  • 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, Sida spinosa", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=595. Accessed 30 October 2026.