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Taxon: Cyperus polystachyos Rottb.

Genus: Cyperus
Family: Cyperaceae subfamily: Cyperoideae tribe: Cypereae.
Nomen number: 402864
Place of publication: Descr. pl. rar. 21. 1772 (Descr. icon. rar. pl. 39, t. 11, fig. 1. 1773)
Comment: place of valid publication verified by K. Gandhi (via pers. comm. on 2 Jun 2008)
Name verified on: 04-May-2012 by ARS Systematic Botanists. Last updated: 04-May-2012
Species priority site is: Arctic and Subarctic Plant Gene Bank (PALM).

NO ACCESSIONS IN NPGS UNDER THIS NAME.

Common names:

  • bunchy flat sedge   (Source: F Victoria [as Pycreus polystachyos]) – English
  • bunchy sedge   (Source: Weed CIBA ) – English
  • field sedge   (Source: Weed CIBA ) – English

Economic importance:

More:

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • AFRICA
    Macaronesia: Cape Verde; Spain - Canary Islands
    Middle Atlantic Ocean: St. Helena
    Northern Africa: Algeria; Egypt [s.]; Libya; Morocco
    Northeast Tropical Africa: Eritrea; Ethiopia
    East Tropical Africa: Kenya; Tanzania; Uganda
    West-Central Tropical Africa: Burundi; Equatorial Guinea; Gabon; Zaire
    West Tropical Africa: Benin; Burkina Faso; Cote D'Ivoire; Gambia; Ghana; Guinea; Guinea-Bissau; Liberia; Niger; Nigeria; Senegal; Sierra Leone; Togo
    South Tropical Africa: Angola; Malawi; Mozambique; Zambia; Zimbabwe
    Southern Africa: Botswana; Lesotho; Namibia; South Africa - Eastern Cape, Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, Western Cape; Swaziland
    Western Indian Ocean: Comoros; Madagascar; Mauritius; Reunion; Seychelles
  • ASIA-TEMPERATE
    Arabian Peninsula: Yemen
    Western Asia: Iraq [s.]; Israel
    China: China - Fujian, Guangdong, Hainan
    Eastern Asia: Japan - Honshu, Kyushu, Shikoku; Korea; Taiwan
  • ASIA-TROPICAL
    Indian Subcontinent: India; Pakistan; Sri Lanka
    North Indian Ocean: India - Andaman and Nicobar
    Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
    Malesia: Indonesia; Malaysia; Papua New Guinea; Philippines
  • AUSTRALASIA
    Australia: Australia - New South Wales, Northern Territory, Queensland, Victoria [e.?], Western Australia
  • EUROPE
    Southeastern Europe: Italy
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Northeastern U.S.A.: United States - Maine [s.], Massachusetts [e.], New Jersey, New York [s.e.], Pennsylvania, West Virginia
    North-Central U.S.A.: United States - Missouri [s.e.], Oklahoma
    Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
    South-Central U.S.A.: United States - Texas
    Northern Mexico: Mexico - Sonora, Tamaulipas
    Southern Mexico: Mexico - Chiapas, Guerrero, Oaxaca, Quintana Roo, Tabasco, Veracruz
  • PACIFIC
    North-Central Pacific: United States - Hawaii
    Northwestern Pacific: Guam; Micronesia; Northern Mariana Islands
    Southwestern Pacific: Solomon Islands
  • SOUTHERN AMERICA
    Caribbean: Antigua and Barbuda - Antigua; Bahamas; Barbados; Bermuda; Cayman Islands; Cuba; Dominica; Dominican Republic; Grenada; Jamaica; Martinique; Puerto Rico; St. Lucia; St. Vincent and Grenadines - St. Vincent; Trinidad and Tobago
    Mesoamerica: Belize; Costa Rica; El Salvador; Guatemala; Honduras; Nicaragua; Panama
    Northern South America: French Guiana; Guyana; Suriname; Venezuela
    Brazil: Brazil
    Western South America: Bolivia; Colombia; Ecuador [incl. Galapagos]; Peru
    Southern South America: Argentina [n.]; Chile - Easter Island; Paraguay; Uruguay

      Naturalized:
  • AUSTRALASIA
    New Zealand: New Zealand
  • PACIFIC
    South-Central Pacific: Cook Islands; French Polynesia - Society Islands, Tuamotu Archipelago
    Southwestern Pacific: Fiji; Kiribati - Gilbert Islands; Samoa; Tonga

References:

  • Adams, C. 1972. Flowering plants of Jamaica.
  • Allan, H. H. B. et al. 1961–. Flora of New Zealand.
  • Boulos, L. 1995. Flora of Egypt checklist. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist.
  • Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
  • Dassanayake, M. D. & F. R. Fosberg, eds. 1980–. A revised handbook to the flora of Ceylon. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Davidse, G. et al., eds. 1994. Flora mesoamericana. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • FNA Editorial Committee. 1993–. Flora of North America.
  • Foreman, D. B. & N. G. Walsh. 1993–. Flora of Victoria. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Godfrey, R. K. & J. W. Wooten. 1979–1981. Aquatic and wetland plants of southeastern United States, 2 vol.
  • Harden, G. J., ed. 1990–1993. Flora of New South Wales.
  • Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
  • Liogier, H. A. & L. F. Martorell. 1982. Flora of Puerto Rico and adjacent islands: a systematic synopsis. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
  • Proctor, G. R. 1984. Flora of the Cayman Islands. Kew Bulletin Additional Series XI.
  • Quézel, P. & S. Santa. 1962–1963. Nouvelle flore de l'Algerie.
  • Stanley, T. D. & E. M. Ross. 1983–1989. Flora of south-eastern Queensland.
  • Steenis, C. G. G. J. van, ed. 1948–. Flora malesiana. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:72.
  • Wood, J. R. I. 1997. A handbook of the flora of Yemen. [= Pycreus polystachyos (Rottb.) P. Beauv.].
  • Yatskievych, G. 1999–. Steyermark's Flora of Missouri, revised edition.
  • Zohary, M. & N. Feinbrun-Dothan. 1966–. Flora palaestina.
More:

Synonyms:


Check other web resources for Cyperus polystachyos Rottb.:


Images:

More:
  • Check PlantSystematics.org for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?402864 (23 April 2014)

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