Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Spermacoce tenuior
Botoncillo, cansamozo, doncella negra, yerba de hierro
Herb 0.7(–2) m. tall; stems glabrous, not markedly angular. Leaf-blades narrowly elliptic to lanceolate, acute at the apex and cuneate at the base, glabrous save for slightly scabrid margins. Inflorescences in the axils. Corolla white, papillate, very small; Capsule obovoid to ellipsoid, glabrous. Seeds dark purple or chestnut-brown, ellipsoid, 2 mm. long (POWO, 2023).
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Gentianales
Family
Rubiaceae
Genus
Spermacoce
Species
tenuior
Taxon category: Accepted
Syn.: Bigelovia linifolia (Vahl) Spreng. in Syst. Veg., 1: 404 (1824); Borreria capitellata (Willd.) Cham. & Schltdl. in Linnaea 3: 319 (1828); Borreria herbert-smithii Rusby in Descr. S. Amer. Pl.: 144 (1920); Borreria laevis (Lam.) Griseb. in Abh. Königl. Ges. Wiss. Göttingen 7: 231 (1857); Borreria linifolia (Vahl) F.Dietr. in Neu. Nachtr. Vollst. Lex. Gärtn. 2: 15 (1826); Spermacoce capitellata Willd. in J.J.Roemer & J.A.Schultes, Syst. Veg., ed. 15[bis]. 3: 530 (1818); Spermacoce guianensis Bremek. in Recueil Trav. Bot. Néerl. 33: 714 (1936); Spermacoce laevis Lam. in Tabl. Encycl. 1: 273 (1791); Spermacoce linifolia Vahl in Eclog. Amer. 1: 8 (1797); Spermacoceodes tenuior (L.) Kuntze in Revis. Gen. Pl. 3(2): 123 (1898); Spermacoce tenuior var. angustifolia Eggers in Smithsonian Misc. Collect. 23(3): 62 (1879); Spermacoce tenuior var. major Beurl. in Kongl. Vetensk. Acad. Handl. 40: 133 (1854 publ. 1856); Tardavel laevis (Lam.) Standl. in Contr. U.S. Natl. Herb. 18: 122 (1916).Spermacoce confusa Rendle. The Plant List (2017). Erroneously reported in Galapagos literature, including Hooker (1847), Andersson (1855), Robinson (1902) and Stewart (1911); misidentification of Spermacoce confusa Rendle, fide Wiggins & Porter (1971).
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: The native range of this species is Mexico to N. Venezuela and Peru, Caribbean (POWO, 2023).
- Andersson, A. (1960) South American terrestrial isopods in the collection of the Swedish State Museum of Natural History. Arkiv Zool. Ser. 2. 12(34): 537-570.
- 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
- Fosberg, F. R. (1987) New Nomenclatural combinations for Galapagos Plant Species Botany Dept., Smithsaonian Institution Washington, D. C. 20560, USA.
- 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.
- Hooker, J.D. (1847) On the Vegetation of the Galápagos Islands as Compared with that of some other Tropical Islands Of the Continet of America. Trans. Linn. Soc. London 20: 235-262.
- Nuñez Florentin, M. Florentín, J. & Salas, R. (2020) Integrative taxonomic analyses sheds light on three historically disputed American Spermacoce species, and a key to the American species of Spermacoce (Spermacoceae, Rubiaceae) Systematic Botany, 45(3): 585–606.
- 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/
- Stewart, A. (1911) A botanical survey of the Galápagos Islands. Proc. Calif. Acad. Sci. 4th Series, 1: 7-288.
- 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, Spermacoce tenuior", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=16265. Accessed 31 October 2026.