Skip to main content
This species is accepted, and its native range is Tropics & Subtropics.
A specimen from Kew's Herbarium

[FWTA]

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

Morphology General Habit
Plant to 120 cm. high and generally less robust than C. exaltatus Retz.
Morphology Reproductive morphology Inflorescences
Dense-spikeletted, cylindrical spikes in digitate clusters
Ecology
Edge of open water.

[FTEA]

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

Type
Type: India, Tranquebar, König s.n. (LD, holo.)
Morphology General Habit
Perennial up to 135 cm tall, fairly robust, with a short woody rhizome.
Morphology Culms
Culms few, 26–60 cm long, 2.9–4.3 mm wide, trigonous, smooth
Morphology Leaves
Leaf sheath pale brown and purple, 3.5–17 cm long. Leaf blade linear, flat, 22–33 cm long, 4.2–7 mm wide, scabrid on margin and primary vein, apex acuminate Leaves few, up to 50 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 5–8, lowermost 27–48 cm long, 5–8 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a compound anthela, primary branches 4–8, 2.5–6 cm long. Spikes elongate, 2–3.5 cm long, 0.3–0.8 cm wide
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in very dense spikes. Spikelets 30–80 per spike, ovoid-lanceolate, 3–6.2 mm long, 1–1.5 mm wide, rachilla straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes pale brown or golden with or withour purplish streaks, ovate, 0.9–1.4 mm long, 0.8–1 mm wide, keel green, excurrent, apex shortly mucronate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 1.1–1.4 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.3–0.4 mm long
Morphology Reproductive morphology Fruits
Nutlet reddish-brown, ellipsoid, trigonous, 0.5–0.7 mm long, 0.4–0.5 mm wide, smooth or irregularly pitted.
Ecology
In swamps, along streams and rivers, at forest edges, often in sandy habitats; sea-level to 1200 m
Conservation
Least Concern (LC) due to its wide distribution.
Distribution
Range: Widespread in tropical west Africa, central Africa, Chad, Sudan, Ethiopia, down into South Africa; S and SE Asia and South America Flora districts: U2 T4 T6 T7 T8

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Nativa en Colombia; Alt. 5 - 400 m.; Amazonia, Andes, Orinoquia, Valle del Cauca.
Morphology General Habit
Hierba
Conservation
Preocupación Menor

Doubtfully present in:

Nansei-shoto

Native to:

Afghanistan, Angola, Assam, Bangladesh, Belize, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Burkina, Cameroon, Central African Repu, Chad, China Southeast, Colombia, Congo, Costa Rica, Cuba, Dominican Republic, Ecuador, Egypt, El Salvador, Ethiopia, Gabon, Ghana, Guatemala, Guinea, Guyana, Hainan, Haiti, Honduras, India, Iran, Ivory Coast, Jamaica, Jawa, KwaZulu-Natal, Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mauritania, Mexico Gulf, Mexico Southeast, Mexico Southwest, Mozambique, Myanmar, Namibia, Nepal, New Guinea, Nicaragua, Niger, Nigeria, Northern Provinces, Pakistan, Panamá, Peru, Philippines, Puerto Rico, Senegal, Seychelles, Sudan, Sulawesi, Sumatera, Swaziland, Taiwan, Tanzania, Thailand, Togo, Trinidad-Tobago, Uganda, Venezuela, Vietnam, Windward Is., Zambia, Zaïre, Zimbabwe

Introduced into:

Palestine

Cyperus imbricatus Retz. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Aug 28, 1996 Marcan, A. [1939], Thailand K000434893
Aug 1, 1996 Parnell [95-637], Thailand K000434886
Jan 1, 1985 Davidse, G. [12009], Bahia K000188706
Jan 1, 1967 Smitnand, T. [5821], Thailand K000434888
Jan 1, 1967 Kerr, A.F.G. [3642], Thailand K000434887
Sep 1, 1953 Cuming, H. [537], Philippines K000290901 isotype
Sep 1, 1953 Loher, A. [727], Philippines K000290902 isotype
Howard, A.J. [14], Thailand K000434881
Heckman, C.W. [141], Thailand K000434885
Kerr, A.F.G. [1921], Thailand K000434891
Kerr, A.F.G. [21391], Thailand K000434890
Tagawa, M. [T268], Thailand K000434884
Kerr, A.F.G. [21387], Thailand K000434889
Howard, A.J. [14], Thailand K000434882
Marcan, A. [2699], Thailand K000434892
Hoed, G.den [697], Thailand K000434883
Kerr, A.F.G. [4495], Thailand K000434880

First published in Observ. Bot. 5: 12 (1788)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands Contributions from the United States National Herbarium 52: 1-415.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • 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.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • 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.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Dufour-Dror, J.M. & Fragman-Sapir, O. in Dufour-Dror, J.M. (2019). Alien Plant Species in Natural & Disturbed Areas in Israel Alien Invasive Plants in Israel, ed. 2: 1-246. Dan Perry Pub., Nature & Parks Authority, Israel Ministry of Environmental Protection.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • 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.
  • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Middleton, D.J. & al. (eds.) (2019). Flora of Singapore 7: 1-525. Singapore Botanic Gardens.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • Shaheen, H., Qureshi, R., Akram, A., Gulfraz, M. & Potter, D. (2014). A preliminary floristic checklist of Thal desert Punjab, Pakistan Pakistan Journal of Botany 46: 13-18.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Flora of West Tropical Africa

  • Berhaut, Fl. Sén. ed. 2, 383 (1967).
  • Kük. in Engl., Pflanzenr. Cyper. 69 (1936)
  • Nelmes & Baldwin in Amer. J. Bot. 39: 379 (1962)
  • Observ. 5: 12 (1789)

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • 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.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Dufour-Dror, J.M. & Fragman-Sapir, O. in Dufour-Dror, J.M. (2019). Alien Plant Species in Natural & Disturbed Areas in Israel Alien Invasive Plants in Israel, ed. 2: 1-246. Dan Perry Pub., Nature & Parks Authority, Israel Ministry of Environmental Protection.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Shaheen, H., Qureshi, R., Akram, A., Gulfraz, M. & Potter, D. (2014). A preliminary floristic checklist of Thal desert Punjab, Pakistan Pakistan Journal of Botany 46: 13-18.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 69 (1936)
  • Fl. Eth. 6: 445 (1997).
  • Haines & Lye, Sedges & Rushes E. Afr.: 180, figs. 346, 347 (1983)
  • Observ. Bot. 5: 12 (1788)

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

Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0

Colombian resources for Plants made Accessible
http://creativecommons.org/licenses/by/3.0/

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