- Family:
- Cyperaceae Juss.
- Genus:
- Cyperus L.
Cyperus imbricatus Retz.

[UPFC]
- Distribution
- Biogeografic region: Amazonia, Andean, Orinoquia. Elevation range: 5–400 m a.s.l. Native to Colombia. Colombian departments: Amazonas, Arauca, Atlántico, Bogotá DC, Casanare, Meta, Valle del Cauca.
- Habit
- Herb.
- Conservation
- IUCN Red List Assessment (2021): LC. National Red List of Colombia (2021): Potential LC.
[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 anabaptistus Steud.
- Cyperus biceps Vahl
- Cyperus campestris Schrad. ex Nees
- Cyperus confertiflorus Schult.
- Cyperus dense-spicatus Hayata
- Cyperus densiflorus Link
- Cyperus densispicatus Cherm.
- Cyperus digitatus Nees
- Cyperus flexifolius Boeckeler
- Cyperus imbricatus var. capitatus (Boeckeler) Kük.
- Cyperus imbricatus subsp. elongatus (Boeckeler) T.Koyama
- Cyperus imbricatus var. elongatus (Boeckeler) Kük.
- Cyperus imbricatus var. minor (Boeckeler) Kük.
- Cyperus imbricatus var. viridispicatus (Boeckeler) Kük.
- Cyperus involucratus Poir.
- Cyperus macrosciadion Steud.
- Cyperus mediorubescens Hayata
- Cyperus obscurus Nees
- Cyperus radiatus Vahl
- Cyperus radiatus var. capitatus Boeckeler
- Cyperus radiatus var. elongatus Boeckeler
- Cyperus radiatus var. minor Boeckeler
- Cyperus roylei Arn.
- Cyperus semidives Steud.
- Cyperus spicatus J.Presl & C.Presl
- Cyperus verticillatus Roxb.
- Cyperus viridispicatus Boeckeler
- Dichostylis radiata (Vahl) Palla
- Mariscus leptochloides Steud.
Cyperus imbricatus Retz. appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status | Has image? |
---|---|---|---|---|---|
Aug 28, 1996 | Marcan, A. [1939], Thailand | K000434893 | No | ||
Aug 1, 1996 | Parnell [95-637], Thailand | K000434886 | No | ||
Jan 1, 1985 | Davidse, G. [12009], Bahia | K000188706 | Yes | ||
Jan 1, 1967 | Smitnand, T. [5821], Thailand | K000434888 | No | ||
Jan 1, 1967 | Kerr, A.F.G. [3642], Thailand | K000434887 | No | ||
Sep 1, 1953 | Cuming, H. [537], Philippines | K000290901 | isotype | Yes | |
Sep 1, 1953 | Loher, A. [727], Philippines | K000290902 | isotype | Yes | |
Howard, A.J. [14], Thailand | K000434881 | No | |||
Heckman, C.W. [141], Thailand | K000434885 | No | |||
Kerr, A.F.G. [1921], Thailand | K000434891 | No | |||
Kerr, A.F.G. [21391], Thailand | K000434890 | No | |||
Tagawa, M. [T268], Thailand | K000434884 | No | |||
Kerr, A.F.G. [21387], Thailand | K000434889 | No | |||
Howard, A.J. [14], Thailand | K000434882 | No | |||
Marcan, A. [2699], Thailand | K000434892 | No | |||
Hoed, G.den [697], Thailand | K000434883 | No | |||
Kerr, A.F.G. [4495], Thailand | K000434880 | No |
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
- 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
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)
Useful Plants and Fungi of Colombia
- Bernal, R., Gradstein, S.R., & Celis, M. (eds.). (2020). Catálogo de Plantas y Líquenes de Colombia. v1.1. Universidad Nacional de Colombia. Dataset/Checklist. https://doi.org/10.15472/7avdhn
- Burkill HM. (1995). The useful plants of west tropical Africa, Vols. 1-3. The useful plants of west tropical Africa, Vols 1-3.
- Cámara-Leret, R., & Dennehy, Z. (2019). Information gaps in indigenous and local knowledge for science-policy assessments. Nature Sustainability 2:736-741.
- Diazgranados et al. (2021). Catalogue of plants of Colombia. Useful Plants and Fungi of Colombia project. In prep.
- Diazgranados, M., Allkin, B., Black N., Cámara-Leret, R., Canteiro C., Carretero J., Eastwood R., Hargreaves S., Hudson A., Milliken W., Nesbitt, M., Ondo, I., Patmore, K., Pironon, S., Turner, R., Ulian, T. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity.
- IUCN (2021). The IUCN Red List of Threatened Species. Version 2021-2. https://www.iucnredlist.org.
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (2019). Lista de especies vedadas por la resolución 213 de 1977. 8256 especies. http://i2d.humboldt.org.co/ceiba/resource.do?r=le_plantaspriorizadas_2019
- Willis, K.J. (ed.) (2017). State of the World’s Plants 2017. Report. Royal Botanic Gardens, Kew.
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Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew
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Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0
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Colombian resources for Plants made Accessible
ColPlantA 2021. Published on the Internet at http://colplanta.org
http://creativecommons.org/licenses/by/3.0/
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Flora of Tropical East Africa
Flora of Tropical East Africa
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Flora of West Tropical Africa
Flora of West Tropical Africa
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Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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
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Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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
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Useful Plants and Fungi of Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0