Taxon:  Cyperus laxus Lam.



Summary
Genus:
Cyperus
Family:
Cyperaceae
Subfamily:
Cyperoideae
Tribe:
Cypereae
Nomen number:
409594
Place of publication:
Tabl. encycl. 1:146.  1791
Verified:
12/10/2009 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in National Plant Germplasm System. 
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
No images


Conservation Status

Reference(s)
  1. Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98
  2. Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
  3. Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
  4. Davidse, G. et al., eds. 1994. Flora mesoamericana.
  5. Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
  6. Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim. Note: accepts this name for Cyperus diffusus Vahl
  7. Haines, R. W. & K. A. Lye. 1983. Sedges and rushes of East Africa
  8. Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
  9. Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
  10. López-Martínez, S. et al. 2008. Contaminated soil phytoremediation by Cyperus laxus Lam. Cytochrome P450 erod-activity induced by hydrocarbonsin roots. Int. J. Phytoremed. 10:289-301.
  11. Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
  12. Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
  13. Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.
Common names
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeAfricaEast Tropical AfricaTanzania  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaEast Tropical AfricaUganda  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaSouth Tropical AfricaAngola  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaBenin  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaCôte D'Ivoire  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaGhana  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaGuinea  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaLiberia  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaNigeria  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest Tropical AfricaTogo  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaCameroon  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaCentral African Republic  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaCongo  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaDemocratic Republic of the Congo  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaEquatorial Guinea  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeAfricaWest-Central Tropical AfricaGabon  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeNorthern AmericaSouthern MexicoMexicoChiapas Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoGuerrero Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoJalisco Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoMichoacán de Ocampo Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoMorelos Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoNayarit Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoOaxaca Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoTabasco Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeNorthern AmericaSouthern MexicoMexicoVeracruz de Ignacio de la Llave Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
1NativeSouthern AmericaBrazilBrazil  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaCaribbeanCuba  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaCaribbeanJamaica  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaCaribbeanTrinidad and TobagoTrinidad Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaCentral AmericaBelize  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaCosta Rica  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaEl Salvador  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaGuatemala  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaHonduras  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaNicaragua  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaCentral AmericaPanama  Davidse, G. et al., eds. 1994. Flora mesoamericana.
1NativeSouthern AmericaNorthern South AmericaFrench Guiana  Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1NativeSouthern AmericaNorthern South AmericaGuyana  Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1NativeSouthern AmericaNorthern South AmericaSuriname  Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
1NativeSouthern AmericaNorthern South AmericaVenezuela  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaSouthern South AmericaArgentina n.Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.
1NativeSouthern AmericaSouthern South AmericaParaguay  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaWestern South AmericaBolivia  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaWestern South AmericaColombia  Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1NativeSouthern AmericaWestern South AmericaEcuador  Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
1NativeSouthern AmericaWestern South AmericaPeru  Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
Native
Africa
  • EAST TROPICAL AFRICA: Tanzania, Uganda
  • WEST-CENTRAL TROPICAL AFRICA: Central African Republic, Cameroon, Democratic Republic of the Congo, Congo, Gabon, Equatorial Guinea
  • WEST TROPICAL AFRICA: Benin, Côte D'Ivoire, Ghana, Guinea, Liberia, Nigeria, Togo
  • SOUTH TROPICAL AFRICA: Angola
Northern America
  • SOUTHERN MEXICO: Mexico [Chiapas, Guerrero, Jalisco, Michoacán de Ocampo, Morelos, Nayarit, Oaxaca, Tabasco, Veracruz de Ignacio de la Llave]
Southern America
  • CARIBBEAN: Cuba, Jamaica, Trinidad and Tobago [Trinidad]
  • CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, El Salvador
  • NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
  • BRAZIL: Brazil
  • WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
  • SOUTHERN SOUTH AMERICA: Argentina (n.), Paraguay

Reference(s)
  1. Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
  2. Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
  3. Davidse, G. et al., eds. 1994. Flora mesoamericana.
  4. Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
  5. Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
  6. Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:42.
  7. Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.
Economic Uses
UsageTypeNoteReference
Environmentalpollution controlpotentialLópez-Martínez, S. et al. 2008. Contaminated soil phytoremediation by Cyperus laxus Lam. Cytochrome P450 erod-activity induced by hydrocarbonsin roots. Int. J. Phytoremed. 10:289-301.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=409594. Accessed 20 October 2026.