1. Family: Cyperaceae Juss.
    1. Genus: Isolepis R.Br.
      1. Isolepis fluitans (L.) R.Br.

        This species is accepted, and its native range is Old World.

    [FTEA]

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

    Type
    Type: Europe, lectotype Morison 1699 (OXF, lecto.; chosen by Simpson et al. 2001)
    Habit
    Mat-forming short-lived perennial.
    Rhizomes
    Rhizome horizontal, green and above ground, 4–30 × 0.3–1.2 mm.
    Culms
    Culms 1–47 cm tall, 0.2–1.1 mm diameter, with one or more internodes.
    Peduncles
    Peducle 1–19 cm tall, 0.2–0.9 mm diameter
    Leaves
    Leaves with sheath green or brown, 3–25 × 0.3–1.7 mm; blade 2–80 × 0.2–1.1 mm
    Inflorescences
    Inflorescence terminal, not proliferating.
    Bracts
    Bract 2–12 × 0.3–1.3 mm.
    Spikelets
    Spikelet 1, 2.4–9.4 × 0.7–2.7 mm, with 4–28 glumes.
    Glume
    Glumes green or with brown patches, 1.5–3.4 × 0.5–1.3 mm, acute to obtuse, midrib green with mucro < 0.1 mm long
    Stamens
    Stamens 2–3.
    Anthers
    Anthers 0.4–1.5 mm, crested
    Style
    Style bifid
    Fruits
    Nutlets brown, 0.9–1.8 × 0.5–1.2 mm, minutely reticulate
    Figures
    Fig. 20, p122
    Ecology
    Floating in shallow water or terrestrial in seepage and bogs; 1200–3700 m
    Distribution
    Flora districts: U2 U 3 K 1, K2 K3 K4 K5 K6 T1 T2 T3 T7 Range: Widespread in tropical Africa; Madagascar, Europe, North Africa, India, Australia and New Zealand
    [FWTA]

    Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

    Habit
    Aquatic or semi-aquatic with weak floating or trailing many-noded stems
    Ecology
    In or near water.

    Images

    Distribution

    Doubtfully present in:

    Poland, Yugoslavia

    Native to:

    Angola, Assam, Azores, Belgium, Burundi, Cameroon, Cape Provinces, Comoros, Czechoslovakia, Denmark, Eritrea, Ethiopia, France, Free State, Germany, Great Britain, India, Ireland, Italy, Jawa, Kenya, KwaZulu-Natal, Lesotho, Madagascar, Malawi, Mali, Mozambique, Namibia, Netherlands, New South Wales, New Zealand North, New Zealand South, Nigeria, Northern Provinces, Norway, Portugal, Queensland, Rwanda, Réunion, South Australia, Spain, Sri Lanka, Sudan, Swaziland, Sweden, Tanzania, Tasmania, Uganda, Victoria, Vietnam, Western Australia, Zambia, Zaïre, Zimbabwe

    Isolepis fluitans (L.) R.Br. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 1, 1998 Fokom, I. [53], Cameroon K000678195
    Schimper [1103], Ethiopia K000416529
    Schimper [1254], Ethiopia K000416530
    Schimper [551], Ethiopia K000416531
    Bidgood, S. [5218], Tanzania K000190446
    Taylor, P. [17010A], Australia Scirpus fluitans 40548.000
    Hubbard, C.E., United Kingdom Eleogiton fluitans 29040.000

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

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
    • Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid.
    • Jermy, C., Simpson, D., Foley, M. & Porter, M. (2007). Sedges of the British Isles. B.S.B.I. Handbook No. 1, ed. 3: 1-554. Botanical Society of the British Isles, London.
    • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.
    • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Jermy, C., Simpson, D., Foley, M. & Porter, M. (2007). Sedges of the British Isles. B.S.B.I. Handbook No. 1, ed. 3: 1-554. Botanical Society of the British Isles, London.
    • Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    Flora of Tropical East Africa
    • K.B. 57: 278 (2002).
    • Sedges & Rushes E. Afr.: 138 (1983)
    • Prod.: 221 (1810)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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