1. Family: Cyperaceae Juss.
    1. Isolepis R.Br.

      1. This genus is accepted, and its native range is Cosmopolitan.


    Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

    Annual or short lived-perennials; tufted or mat-forming
    Culm consisting of several internodes (in I fluitans and I graminoides) or reduced to peduncle only
    Leaves eligulate, of a minute lobe or elongated to form a linear blade
    Inflorescence with 1–several spikelets, subtended by a single involucral bract
    Bract shorter than spikelets, resulting in a terminal inflorescence, or longer and continuing in direction of culm resulting in a pseudolateral inflorescence
    Spikelets terete, with spirally arranged glumes, sometimes proliferating.
    Glumes ovate to obovate, green to reddish-brown, carinate, acute to obtuse, arranged on the rachilla with the space between successive glumes < 0.1 mm
    Flowers bisexual.
    Perianth segments absent
    Stamens 1–3.
    Filament ribbon-like.
    Anther 0.2–2.5 mm long, apex crested
    Pistil with 2–3 stigma branches
    Nutlets 2- or 3-sided, smooth, reticulate, papillose or striate.
    A mainly southern hemisphere genus with ± 60 species.



    Native to:

    Afghanistan, Alabama, Albania, Algeria, Amsterdam-St.Paul Is, Angola, Antipodean Is., Argentina Northeast, Argentina Northwest, Argentina South, Arkansas, Assam, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bolivia, Borneo, Botswana, Brazil South, British Columbia, Bulgaria, Burundi, California, Cameroon, Canary Is., Cape Provinces, Cape Verde, Central European Rus, Chatham Is., Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Colombia, Comoros, Corse, Costa Rica, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, East Himalaya, Ecuador, Egypt, Eritrea, Ethiopia, Falkland Is., Florida, France, Free State, Føroyar, Georgia, Germany, Great Britain, Greece, Guatemala, Gulf of Guinea Is., Hungary, Iceland, Illinois, India, Inner Mongolia, Iran, Ireland, Italy, Japan, Jawa, Juan Fernández Is., Kansas, Kazakhstan, Kentucky, Kenya, Kermadec Is., Kirgizstan, Kriti, KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Louisiana, Macquarie Is., Madagascar, Madeira, Malawi, Mali, Mexico Northwest, Mississippi, Missouri, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, New Guinea, New South Wales, New Zealand North, New Zealand South, Nigeria, Norfolk Is., North Carolina, North Caucasus, Northern Provinces, Northern Territory, Northwest European R, Norway, Oklahoma, Oregon, Pakistan, Palestine, Panamá, Peru, Philippines, Poland, Portugal, Qinghai, Queensland, Romania, Rwanda, Réunion, Sardegna, Saudi Arabia, Sicilia, South Australia, South Carolina, South European Russi, Spain, Sri Lanka, St.Helena, Sudan, Sulawesi, Sumatera, Swaziland, Sweden, Switzerland, Tadzhikistan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Tibet, Transcaucasus, Tristan da Cunha, Tunisia, Turkey, Turkey-in-Europe, Uganda, Ukraine, Uruguay, Uzbekistan, Venezuela, Victoria, Vietnam, Washington, West Himalaya, Western Australia, Xinjiang, Yemen, Yugoslavia, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Fiji, Mauritius, New Jersey, Pennsylvania, Virginia, Windward Is.

    Isolepis R.Br. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Wallich, N. [Cat. no. 3470], Nepal K001119486
    Wallich, N. [Cat. no. 3473], Malaysia K001119489
    Wallich, N. [Cat. no. 3474], Myanmar K001119490
    Wallich, N. [Cat. no. 3478], Myanmar K001119499
    Wallich, N. [Cat. no. 3478], Myanmar K001119500
    Wallich, N. [Cat. no. 3479], India K001119504
    Wallich, N. [Cat. no. 3479], Nepal K001119505
    Wallich, N. [Cat. no. 3480], India K001119507
    Wallich, N. [Cat. no. 3481], Nepal K001119512
    Wallich, N. [Cat. no. 3481] K001119513
    Wallich, N. [Cat. no. 3481] K001119514
    Wallich, N. [Cat. no. 3481] K001119515
    Wallich, N. [Cat. no. 3484], Myanmar K001119522
    Wallich, N. [Cat. no. 3484], Myanmar K001119523
    Wallich, N. [Cat. no. 3484], Myanmar K001119524
    Wallich, N. [Cat. no. 3486], India K001119528
    Wallich, N. [Cat. no. 3487], India K001119533
    Wallich, N. [Cat. no. 3490], India K001119541
    Wallich, N. [Cat. no. 3490], Nepal K001119542
    Wallich, N. [Cat. no. 3490], Myanmar K001119543
    Wallich, N. [Cat. no. 3495], Myanmar K001119556
    Wallich, N. [Cat. no. 3497], Nepal K001119560
    Wallich, N. [Cat. no. 3531], India K001119665
    Wallich, N. [Cat. no. 3532], Malaysia K001119666
    Blinkworth, R. [Cat. no. 3494], India K001119555
    De Silva, F. [Cat. no. 3476], India K001119492
    De Silva, F. [Cat. no. 3479] K001119506
    De Silva, F. [Cat. no. 3484] K001119521
    s.coll. [Cat. no. 3470] K001119482
    s.coll. [Cat. no. 3470] K001119483
    s.coll. [Cat. no. 3470] K001119484
    s.coll. [Cat. no. 3470], India K001119485
    s.coll. [Cat. no. 3471] K001119487
    s.coll. [Cat. no. 3472], India K001119488
    s.coll. [Cat. no. 3475], India K001119491
    s.coll. [Cat. no. 3477] K001119493
    s.coll. [Cat. no. 3477] K001119494
    s.coll. [Cat. no. 3477], India K001119495
    s.coll. [Cat. no. 3477], India K001119496
    s.coll. [Cat. no. 3478], Bangladesh K001119497
    s.coll. [Cat. no. 3478] K001119498
    s.coll. [Cat. no. 3479], India K001119501
    s.coll. [Cat. no. 3479], India K001119502
    s.coll. [Cat. no. 3479], India K001119503
    s.coll. [Cat. no. 3480] K001119508
    s.coll. [Cat. no. 3481] K001119509
    s.coll. [Cat. no. 3481], Bangladesh K001119510
    s.coll. [Cat. no. 3481] K001119511
    s.coll. [Cat. no. 3482] K001119516
    s.coll. [Cat. no. 3483] K001119517
    s.coll. [Cat. no. 3483] K001119518
    s.coll. [Cat. no. 3483] K001119519
    s.coll. [Cat. no. 3484], Bangladesh K001119520
    s.coll. [Cat. no. 3485] K001119525
    s.coll. [Cat. no. 3486] K001119526
    s.coll. [Cat. no. 3486] K001119527
    s.coll. [Cat. no. 3487] K001119529
    s.coll. [Cat. no. 3487] K001119530
    s.coll. [Cat. no. 3487] K001119531
    s.coll. [Cat. no. 3487] K001119532
    s.coll. [Cat. no. 3488] K001119534
    s.coll. [Cat. no. 3488] K001119535
    s.coll. [Cat. no. 3489], India K001119536
    s.coll. [Cat. no. 3489] K001119537
    s.coll. [Cat. no. 3490] K001119538
    s.coll. [Cat. no. 3490] K001119539
    s.coll. [Cat. no. 3490] K001119540
    s.coll. [Cat. no. 3492] K001119553
    s.coll. [Cat. no. 3493] K001119554
    s.coll. [Cat. no. 3496] K001119557
    s.coll. [Cat. no. 3497], India K001119558
    s.coll. [Cat. no. 3497] K001119559

    First published in Prodr. Fl. Nov. Holland.: 221 (1810)

    Accepted by

    • 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. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.


    Flora of Tropical East Africa
    • K.B. 57: 257–362 (2002)
    • Prod.: 221 (1810)


    Flora of Tropical East Africa
    Flora of Tropical East Africa

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0