Cyperaceae
Cyperus

Cyperus assimilis Steud.

First published in Flora 25: 584 (1842)
This species is accepted
The native range of this species is Eritrea to S. Africa, Madagascar. It is an annual and grows primarily in the seasonally dry tropical biome.

Distribution

Native to:

Angola, Botswana, Cape Provinces, Congo, Eritrea, Ethiopia, Free State, Kenya, Madagascar, Namibia, Northern Provinces, Rwanda, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Larridon, I., Reynders, M., Huygh, W., Bauters, K., Vrijdaghs, A., Leroux, O., Muasya, A.M., Simpson, D.A. & Goetghebeur, P. (2011). Taxonomic changes in C3 Cyperus (Cyperaceae) supported by molecular phylogenetic data, morphology, embryology, ontogeny and anatomy. Plant ecology and evolution 144: 327-356.

An alternative taxonomy had been proposed by the following authorities:

  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Courtoisina assimilis.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Courtoisina assimilis.]

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • 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.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Lind, E. (Dr.) [236] Uganda K003729829 Yes
Mwangangi, O.M. [1743] Kenya K003729842 Yes
Napper, D.M.; Greenway, P.J. [1989] Kenya K003729846 Yes
Edwards, D.C. [1471] Kenya K003729867 Yes
Jack, C. (Mrs.) [5843] Kenya K003729833 Yes
Hooper, S.S.; Townsend, C.C.; Mwasumbi, L. [1783] Tanzania K003729908 Yes
Kisena [1109] Tanzania K003729906 Yes
Glover; Gwynne; Samuel; Tucker [1822] Kenya K003729872 Yes
Carter, S.; Stannard, B. [377] Kenya K003729865 Yes
Greenway, P.J.; Kanuri [11268] Tanzania K003729883 Yes
Bogdan, A. [AB 1265] Kenya K003729840 Yes
Greenway, P.J. [9950] Tanzania K003729878 Yes
Dummer, R.A. [1903] Kenya K003729861 Yes
Faden, R.B. [67497] Kenya K003729847 Yes
Friis, I.; Sebsebe, D.; Assefa Hailu; Ermias Getachew [14438] Ethiopia K003729816 No
Festo, L.; Bayona, W.; Francis, J. [1220A] Tanzania K003729877 Yes
Sebald, O. [312] Ethiopia K003729813 No
Faden, R.B.; Phillips, S.M.; Muasya, A.M.; Macha, E. [96/119] Tanzania K003729848 Yes
Robinson, E.A. [1260] Zambia K003729927 Yes
Verdcourt [569] Kenya K003729853 Yes
Robinson, E.A. [1306] Zambia K003729924 Yes
Festo, L.; Bayona, W.; Wilbard, W. [1264] Tanzania K003729919 Yes
Friis, I.; Bidgood, S.; Host, P.; Melaku, W.; Kebede, S. [6814] Ethiopia K003729818 No
s.coll. [18] Kenya K003729856 Yes
Lye, K.A.; Katende, A. [Ly-5210] Uganda K003729828 Yes
Acocks, J.P.H. [24204] South Africa K003729981 Yes
Drake-Brockman, R.E. [149] Ethiopia K003729815 No
de Wilde, W.J.J.O.; de Wilde-Duyfjes, B.E.E.; de Wilde, W. [6348] Ethiopia K003729810 No
Parker, C. [E 183] Ethiopia K003729820 No
Milne-Redhead, E.; Taylor, P. [11250] Tanzania K003729915 Yes
Friis, I.; Abebe, W.; Ermias Getachew [12525] Ethiopia K003729817 No
Brain, C.K. [4126] Zimbabwe K003729929 Yes
Faden, R.B.; Faden, A.J. [74/829] Kenya K003729850 Yes
Drummond, R.B.; Rutherford-Smith, R.O.B. [7072] Zambia K003729926 Yes
Mannheimer, C.A. [4063] Namibia K003729971 Yes
Lebrun, J.A. [9583] Congo, Democratic Republic of the K003729793 No
Davis, R.L. [300] Tanzania K003729879 Yes
Kerfoot, O. [1801] Kenya K003729834 Yes
Ash, J. [2125] Ethiopia K003729823 No
Luke, Q. [14138] Kenya K003729864 Yes
Smith, S.A.L.; Beentje, H.J.; Muasya, A.M. [130] Kenya K003729849 Yes
Peter, G.A. [44519] Tanzania K003729910 Yes
Hooper, S.S.; Townsend, C.C. [1479] Kenya K003729862 Yes
Wheeler Haines, R. [282] Kenya K003729869 Yes
Bogdan, A. [AB 513] Kenya K003729845 Yes
Liben, L. [1210] Congo, Democratic Republic of the K003729792 No
Glover; Gwynne; Samuel [455] Kenya K003729870 Yes
Norrgrann, G. [164] Zimbabwe K003729934 Yes
Hepper, F.N.; Jaeger, P.M.L. [6654] Kenya K003729835 Yes
West, O. [2721] Zimbabwe K003729928 Yes
Ash, J. (Mrs.) [2472] Ethiopia K003729825 No
Gilbert, M.G.; Field, D.V. [4788-4792] Kenya K003729839 Yes
Lye, K.A. [Ly-6107] Uganda K003729830 Yes
Dowson, W.J. [370] Kenya K003729857 Yes
Gilbert, M.G.; Abate, G. [3140] Ethiopia K003729822 No
Wilman, M. [2659] South Africa K003729978 Yes
Gibbs Russell, G.E. [1566] Zimbabwe K003729935 Yes
Raynal, J. [20711] Rwanda K003729794 No
Rogers, F.A. [5403] Zimbabwe K003729930 Yes
Bradfield, R.D. [344A] Namibia K003729972 Yes
s.coll. [RS 215] Ethiopia K003729811 No
Ash, J. (Mrs.) [2096] Ethiopia K003729826 No
Robertson, S.A. [3210] Kenya K003729838 Yes
Hood; Abdallah [11] Tanzania K003729916 Yes
Batty, M. (Mrs.) [717] Tanzania K003729917 Yes
Smith, S.A.L.; Beentje, H.J.; Muasya, A.M. [155] Kenya K003729836 Yes
Gilbert, M.G. [3418] Ethiopia K003729819 No
Kaessner [632] Kenya K003729875 Yes
Ash, J. [2161] Ethiopia K003729814 No
Peter, G.A. [44076] Tanzania K003729912 Yes
Ash, S.R. [2161] Ethiopia K003729824 No
Bogdan, A. [AB 4609] Kenya K003729843 Yes
Richards, H.M. (Mrs.) [8933] Zambia K003729925 Yes
Holub, E.M. [s.n.] South Africa K003729982 Yes
Faden, R.B. [68/569] Kenya K003729831 Yes
Tanner, R. [4127] Tanzania K003729881 Yes
Greenway, P.J. [14887] Kenya K003729844 Yes
Esterhuysen, E. [1170] South Africa K003729979 Yes
Lye, K.A.; Katende, A.B. [Ly-5597] Uganda K003729827 Yes
Vesey-Fitzgerald, D. [7128] Tanzania K003729884 Yes
Dinter, M.K. [7582] South Africa K003729980 Yes
Hooper, S.S.; Townsend, C.C. [1588] Kenya K003729868 Yes
Peter, G.A. [11402] Tanzania K003729907 Yes
Agnew, A.D.Q. [5518] Kenya K003729841 Yes
Bytebier, B. [884] Kenya K003729871 Yes
Bradfield, R.D. [344A] Namibia K003729973 Yes
West, O. [2201] Zimbabwe K003729933 Yes
de Wilde, W.J.J.O.; de Wilde-Duyfjes, B.E.E.; de Wilde, W. [7588] Ethiopia K003729809 No
Milne-Redhead, E.; Taylor, P. [11098] Tanzania K003729918 Yes
Hammond, M.M. [295] Tanzania K003729914 Yes
Mooney, H.F. [5904] Ethiopia K003729812 No
Tanner, R. [4100] Tanzania K003729880 Yes
Carter, S.; Stannard, B. [353] Kenya K003729866 Yes
De Block; Stieperaere [501] Kenya K003729851 Yes
Richards, M. [20263] Tanzania K003729876 Yes
Friis, I.; Gilbert, M.G.; Rasmussen, F.; K. Vollesen [1124] Ethiopia K003729821 No
Richards, M. [28368] Tanzania K003729909 Yes
Dummer, R.A. [4567] K003729858 Yes
Hooper, S.S.; Townsend, C.C. [1702] Kenya K003729863 Yes
Vesey-Fitzgerald, D. [6605] Tanzania K003729885 Yes
Wilman, M. [3136] South Africa K003729977 Yes
Peter, G.A. [10812] Tanzania K003729905 Yes
Faden, R.B.; Faden, A.J. [72/116] Kenya K003729873 Yes
Kibuwa, S.P. [2474] Kenya K003729874 Yes
Bally [B 8073] Kenya K003729855 Yes
Schoenfelder, E.B. [S583] Namibia K003729976 Yes
Schweickerdt, H.G. [2100] Namibia K003729975 Yes
{Hill, Mrs. Brodhurst} [40] Kenya K003729832 Yes
Mhoro, B.; Backeus, I. [1991] Tanzania K003729913 Yes
Copley, H.; Bally [B 6502] Kenya K003729860 Yes
Luke, Q.; {Luke, P.A.; Dodds M&A} [6491] Kenya K003729837 Yes
Haarer, A.E. [1531] Tanzania K003729882 Yes
Ngoni, J.F. [386] Zimbabwe K003729932 Yes
Wheeler Haines, R.; Agnew [107] Kenya K003729854 Yes
Harder, D.K.; Bingham, M. [3476] Zambia K003729923 Yes
Rogers, F.A. [5241] Zimbabwe K003729931 Yes
Schweickerdt, H.G. [2067] Namibia K003729974 Yes
van Someren, V.G.L. [AH 9598] Kenya K003729859 Yes
Ryding, O. [1483] Ethiopia K003729808 No
Jun 9, 2009 Crawford, F. [135] Namibia Courtoisina assimilis K000450403 Yes
Dec 1, 2008 Greenway [6960] Tanzania Courtoisina assimilis K001613034 Yes
Greenway [6787] Tanzania Courtoisina assimilis K003729911 Yes
Luke, W.R.Q.; Kabuye, C.; Festo, L.; Ntore, S.; Bayona, W. [17934] Tanzania Courtoisina assimilis K001639077 Yes
Bidgood, S.; Darbyshire, I.; Hoenselaar, K.; Leliyo, G.; Sanchez-Ken, G.; Vollesen, K. [5322] Tanzania Courtoisina assimilis K000190552 Yes
Schimper [1252] Ethiopia Courtoisina assimilis K000416367 Syntype Yes
Schimper [1252] Ethiopia Courtoisina assimilis K000416368 Type Yes
Dillon, Q.,, Petit [s.n.] Ethiopia Courtoisina assimilis K000416369 Unknown Type Material Yes
Schimper [1074] Ethiopia Courtoisina assimilis K000416370 Type Yes
Schimper [1074] Ethiopia Courtoisina assimilis K000416371 Type Yes

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    • Flora of Tropical East 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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0