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This species is accepted, and its native range is Africa to Indo-China, Tropical America.
Cyperus corymbosus Rottb.

[FTEA]

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

Type
Type: India, König s.n. (C, holo.)
Morphology General Habit
Perennial, fairly robust, up to 160 cm tall, with rather thick scale-covered stolons, 2–4 mm in diameter.
Morphology Culms
Culms 86–137 cm long, 4.4–8.3 mm wide, only very slightly articulated, rounded to trigonous, smooth
Morphology Leaves
Leaves up to 41 cm long. Leaf sheath greyish-brown to brown, 8.5–18 cm long. Leaf blade linear, flat, 10–24 cm long, 4.4–7.5 mm wide, glabrous, apex acute
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 3–4(–7), lowermost 12.5–20 cm long, 3–7 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a compound anthela, with primary and secondary branches, primary branches 7–9, 4–20 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in loose clusters on elongated axis, at the end of secondary branches, 4–10 per cluster, linear, 6.8–12.9 mm long, 0.8–1.3 mm wide, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes grey to dark reddish-brown, ovate, 1.9–2.1(–4?) mm long, 0.9–1.1 mm wide, keel green, apex acute
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 1.4–2.4 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.3–1.4 mm long
Morphology Reproductive morphology Fruits
Nutlet pale brown, ellipsoid-obovoid, trigonous, ± 1.1 mm long, 0.5 mm wide, apiculate, smooth.
Ecology
On riverbanks, in seasonally flooded habitats and swamps; 300–600 m
Conservation
Least Concern (LC) due to its wide distribution
Distribution
Flora districts: T3 T4 Range: Ivory Coast, Togo, Angola, Mozambique, South Africa

Native to:

Algeria, Angola, Assam, Bangladesh, Botswana, Brazil Southeast, Chad, Cuba, Guyana, India, Iraq, Ivory Coast, KwaZulu-Natal, Madagascar, Mozambique, Myanmar, Nepal, Northern Provinces, Pakistan, Palestine, Sri Lanka, Suriname, Tanzania, Thailand, Togo, Venezuela, Vietnam, West Himalaya

Introduced into:

Western Australia

Cyperus corymbosus Rottb. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1967 Kerr, A.F.G. [6985], Thailand K000434872
Jan 1, 1967 Marcan, A. [2147], Thailand K000434876
Jan 1, 1967 Kerr, A.F.G. [4084], Thailand K000434875
Jan 1, 1967 Winit [1722], Thailand K000434873
Jan 1, 1961 Kerr, A.F.G. [18051], Thailand K000434874
Chantaranothai, P. [90/572], Thailand K000434877
Chantaranothai, P. [883], Thailand K000434878
Niyomd'nam, C. [1879], Thailand K000434871

First published in Descr. Pl. Rar.: 19 (1772)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • 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.

Not accepted by

  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. [Cited as Cyperus articulatus.]

Literature

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Quézel, P. (1958). Mission Botanique au Tibesti: 1-357. Université d'Alger.

Flora of Tropical East Africa

  • Descr. Icon. Rar. Pl.: 42 (1773)
  • E.P. 4, 20 (101): 80 (1936)
  • F.T.A. 8: 357 (1902)
  • Haines & Lye, Sedges & Rushes E. Afr.: 183, fig. 354 (1983).

Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew

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

Herbarium Catalogue Specimens

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

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew 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/