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This species is accepted, and its native range is Tropical & S. Africa, W. Indian Ocean.
Cyperus latifolius Poir.

[FWTA]

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

Morphology General Habit
Robust plants to about 120 cm. high
Morphology Leaves
Broad leaves and bracts
Morphology Reproductive morphology Inflorescences
Characterized by branched spikes of numerous spikelets with glumes arcuate at maturity
Ecology
Swamps.

[FTEA]

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

Type
Type: Madagascar, du Petit-Thouars s.n. (P!, holo.)
Morphology General Habit
Perennial up to 200 cm tall, robust, with a hardened base producing 1–3 mm thick stolons covered with blackish scales.
Morphology Culms
Culms few, 46–160 cm long, 4–8.2 mm wide, triquetrous, usually slightly scabrid below the inflorescence
Morphology Leaves
Leaf sheath green to reddish-brown, slightly fleshy below, the lowest leafless sheaths almost black, 8–20 cm long. Leaf blade linear, flat or V-shaped, 53–256 cm long, 9–28 mm wide, scabrid on margin and primary vein, apex acute to acuminate Leaves up to 2.7 m long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, usually spreading, 3–6, lowermost 29–53 cm long, 9–21 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a compound anthela, primary branches 6–9, 2.5–23 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in loose clusters, spreading and rather distantly placed, sessile and at the end of primary and secondary branches, 5–20 per cluster, linear, 7–30 mm long, 1.4–2.2 mm wide, rachilla straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes straw-coloured to pale or dark reddish brown, with an indistinct uncoloured margin, oblong-elliptic, 2.4–3.2 mm long, 1.3–1.8 mm wide, keel green, apex rounded
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 1.4–3 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.4–1.9 mm long
Morphology Reproductive morphology Fruits
Nutlet pale brown when young, turning dark brown or grey when mature, obovoid, sometimes almost obcordate, trigonous, 1.3–1.6 mm long, 0.6–1 mm wide, minutely papillose.
Ecology
In swamps, marshes, boggy grasslands, in roadside ditches and along streams; sea level up to 2100 m
Conservation
Least Concern (LC) due to its wide distribution and common habitat
Distribution
Flora districts: U2 U3 U4 K3 K4 K7 T1 T2 T3 T4 T7 T8 Range: Benin, Cameroon, Congo-Kinshasa, Rwanda, Burundi, Ethiopia, Angola, Malawi, Mozambique, Botswana, Swaziland, South Africa; Madagascar

Native to:

Angola, Benin, Botswana, Burundi, Cameroon, Cape Provinces, Central African Repu, Comoros, Congo, Ethiopia, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mauritius, Mozambique, Northern Provinces, Rwanda, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre

Cyperus latifolius Poir. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 1, 1892 Buchanan [5], South Africa K000362737
Bidgood, S. [5078], Tanzania K000190306

First published in J.B.A.M.de Lamarck, Encycl. 7: 268 (1806)

Accepted by

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • 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.
  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • 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. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Marais, W. & Araujo, A.C. (2018). Flore des Mascareignes 202: 1-99. IRD Éditions, MSIRI, RBG-Kew, Paris.

Literature

Flora of West Tropical Africa

  • F.T.A. 8: 351
  • Kük. in Engl., Pflanzenr. Cyper.. 87, t. 11. (1936)
  • in Lam., Encycl. 7: 268 (1806)

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • 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.
  • Marais, W. & Araujo, A.C. (2018). Flore des Mascareignes 202: 1-99. IRD Éditions, MSIRI, RBG-Kew, Paris.

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 87 (1936)
  • F.T.A. 8: 351 (1902)
  • Fl. Eth. 6: 446 (1997).
  • Haines & Lye, Sedges & Rushes E. Afr.: 182, figs. 350, 351 (1983)
  • Lamarck, Encycl. 7: 268 (1806)

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
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 2021. 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 2021. 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

Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/