Cyperus laxus

Taxonavigation

Taxonavigation: Poales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Monocots Cladus: Commelinids Ordo: Poales

Familia: Cyperaceae
Subfamilia: Cyperoideae
Tribus: Cypereae
Subtribus: Cyperinae
Genus: Cyperus
Species:

Cyperus laxus Lam., 1791

Heterotypic
- Cyperus diffusus subsp. tolucensis (Kunth) Borhidi in Acta Bot. Acad. Sci. Hung. 25: 1 (1979)
- Cyperus diffusus var. tolucensis (Kunth) Kük. in H.G.A.Engler (ed.), Pflanzenr., IV, 20(Heft 101): 210 (1936)
- Cyperus diffusus var. umbrosus (Lindl. & Nees) Kük. in H.G.A.Engler (ed.), Pflanzenr., IV, 20(Heft 101): 210 (1936)
- Cyperus homoiiria Steud. in Syn. Pl. Glumac. 2: 23 (1854)
- Cyperus laxus Griseb. in Fl. Brit. W. I.: 563 (1864), nom. illeg.
- Cyperus laxus foliis-variegatis Pynaert in Nursery Cat. (Éd. Pynaert - Van Geert) 1882(Printemps): 13 (1882), not validly publ.
- Cyperus limbatus Maury ex Micheli in Mém. Soc. Phys. Genève 31: 129 (1890)
- Cyperus macrostachyus Ten. ex Boeckeler in Linnaea 36: 284 (1870)
- Cyperus octophyllus Hochst. ex Steud. in Syn. Pl. Glumac. 2: 20 (1854)
- Cyperus tolucensis Kunth in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. 1: 206 (1816)
- Cyperus umbrosus Lindl. & Nees in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 2(1): 31 (1842)

Native distribution areas:

Continental: Southern America
- Regional: Southern South America
  - Argentina Northeast, Argentina Northwest
- Regional: Central America
  - Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panamá
- Regional: Western South America
  - Bolivia, Ecuador, Peru
- Regional: Brazil
  - Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central,
- Regional: Northern South America
  - Colombia, French Guiana, Guyana, Suriname, Venezuela
- Regional: Caribbean
  - Cuba, Jamaica, Trinidad-Tobago, Venezuelan Antilles, Windward Is.
Continental: Northern America
- Regional: Mexico
  - Mexico Central, Mexico Gulf, Mexico Southeast, Mexico Southwest
- Introduced into:
  - Andaman Is., Assam, Bangladesh, Cambodia, Nicobar Is.

Lamarck, J.-B. 1791–1793 ["1791"]. Tableau encyclopédique et méthodique des trois règnes de la nature. Botanique. Premiere livraison. XVI+496 pp., tt. 1–111. Panckoucke, Paris. BHL Biblioteca Digital Reference page. 1:146.

Acevedo-Rodríguez, P. & Strong, M.T. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: I–XXV, 1–1192. DOI: 10.5479/si.0081024X.98.1 BHL Reference page.
Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.

Govaerts, R. et al. 2025. Cyperus laxus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 June 05. Reference page.
International Plant Names Index. 2025. Cyperus laxus. Published online. Accessed: June 05 2025. Reference page.
Tropicos.org 2025. Cyperus laxus. Missouri Botanical Garden. Published online. Accessed: 05 June 2025. Reference page.
USDA, ARS, Germplasm Resources Information Network. Cyperus laxus in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.