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This species is accepted, and its native range is Tropics & Subtropics.
Cyperus articulatus L.

[FWTA]

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

Diagnostic
The only species of Cyperus to have a round leafless pithy stem which on drying appears articulated
Morphology Reproductive morphology Inflorescences
Rays slender bearing clusters of cigar-shaped spikelets
Ecology
In or near open water.

[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 y cultivada en Colombia; Alt. 6 - 2000 m.; Andes, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia, Valle del Cauca, Valle del Magdalena.
Morphology General Habit
Hierba, acuática
Conservation
Preocupación Menor

[UNAL]
Vernacular
Coco-chunduro, Herb de arroz, Junco, Paripiri

[FTEA]

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

Type
Type: “Habitat in Jamaicae rivulis”, lectotype Herb. Sloane 2: 63 (BM-SL), designated by Tucker in Syst. Bot. Monogr. 2: 42 (1983)
Morphology General Habit
Perennial, robust, up to 195 cm tall, with solitary culms from the end of stolons, stolons to 10 cm or more long, 2–8 mm thick, often woody, clothed with blackish or purple scales.
Morphology Culms
Culms few, basally swollen, 80–185 cm long, 0.4–1 cm wide, rounded, pith-filled with transverse rings at 5–50 mm intervals (septate), smooth
Morphology Leaves
Leaf blade absent Leaves reduced to sheaths only, 3–5 sheaths covering the lowerpart of the culm, straw- coloured, purple to blackish, 3–28 cm long, ending in a triangular limb.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts scale-like, 3–5, lowermost 0.7–1.2 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, primary branches 5–8, 1–10 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in loosely digitate clusters, sessile and at the end of primary branches, 9–20 per cluster, linear, terete to flattened, 7.5–33 mm long, 0.9–2 mm wide, rachilla straight to slightly curved.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes pale brown to reddish-brown, ovate, 2.7–4(–5.1) mm long, 1.3–1.9 mm wide, keel pale brown, apex obtuse
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2.7–3.5 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.9–1.5 mm long
Morphology Reproductive morphology Fruits
Nutlet reddish-brown to almost black, narrowly ellipsoid, 1.3–1.6 mm long, 0.4–0.6 mm wide, shortly apiculate, smooth to minutely papillose.
Ecology
In swamps, lake-shores, wet grasslands and pools, often in standing water; sea-level up to 1550 m
Conservation
Least Concern (LC) due to its wide distribution and common habitat.
Note
This species is very easy to recognize by its septate stem and the absence of leaf blades.
Distribution
Flora districts: U1 U2 U3 U4 K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 T4 T5 T6 T7 T8 Z P Range: Widespread throughout Africa

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Robust leafless perennial with solitary stems from the end of stolons
Vegetative Multiplication Stolons
Stolons to 10 cm or more long (but frequently with stems at 1–3 cm intervals) and 2–8 mm thick, often woody, clothed with blackish or purple scales
Morphology Stem
Stems 80–160 cm long and 3–12 mm thick below, but only 1–3 mm thick below the inflorescence, rounded, pith-filled with transverse rings at 5–50 mm intervals (these rings show best when dry owing to shrinkage of the pith); lower part of stem covered with 3–5 leaf-sheaths, the very base swollen and woody
Morphology Reproductive morphology Inflorescences
Inflorescence a compound terminal lax anthela 4–15 cm in diam. with 1–3 sessile spikelet-clusters and 2–10 pedunculate clusters or umbels of new sessile and stalked clusters; largest peduncles 1–12 cm long; inflorescence-bracts scale-like, only 5–15 mm long
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–55 x 1–2 mm, linear, somewhat flattened, light to dark reddish brown, 20–50-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 3–4 mm long, ovate, reddish brown (or straw-coloured when very young) with paler midrib; apex obtuse
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 3 long style-branches
Morphology Reproductive morphology Fruits
Nutlet 1.4–1.7 x 0.4–0.5 mm, narrowly elliptic, triangular, shortly apiculate, greyish yellow as young, reddish brown to dark olive brown when mature; surface smooth.
Distribution
S2 pantropical.
Ecology
Below 100 m.

Native to:

Alabama, Algeria, Angola, Argentina Northeast, Argentina Northwest, Assam, Bangladesh, Belize, Benin, Bolivia, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Burkina, Burundi, Cabinda, Cameroon, Cape Provinces, Cape Verde, Caprivi Strip, Central African Repu, Chad, Colombia, Comoros, Congo, Costa Rica, Cuba, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Florida, French Guiana, Gabon, Gambia, Georgia, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Haiti, Honduras, India, Iran, Iraq, Ivory Coast, Jamaica, Kenya, KwaZulu-Natal, Lebanon-Syria, Leeward Is., Liberia, Louisiana, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Mozambique, Myanmar, Namibia, Nepal, Netherlands Antilles, Nicaragua, Niger, Nigeria, Northern Provinces, Pakistan, Palestine, Panamá, Paraguay, Peru, Puerto Rico, Queensland, Rwanda, Réunion, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Sinai, Somalia, South Carolina, Sri Lanka, Sudan, Suriname, Swaziland, Tanzania, Texas, Thailand, Togo, Trinidad-Tobago, Uganda, Uruguay, Venezuela, Venezuelan Antilles, Vietnam, West Himalaya, Windward Is., Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

Nansei-shoto, Western Australia

Cyperus articulatus L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 1, 2003 Harley, R.M. [15820], Bahia K000188878
Jul 1, 1995 Nascimento, M.S.B. [9], Piauí K000188709
Oct 1, 1982 Cavalo, G.P. [6], Bahia K000188707
Oct 1, 1981 Carvalho, A.M. [591], Bahia K000188708
Aug 1, 1978 Harley, R.M. [16503], Bahia K000188714
Aug 1, 1978 Harley, R.M. [16207], Bahia K000188713
Jul 28, 1905 Chevalier, A.J.B. [2284], Mali K000391852
Mar 1, 1899 Riedel, L. [s.n.], Bahia K000188712
Mar 1, 1892 Gardner, G. [1210], Pernambuco K000188711
Mar 1, 1892 Pernambuco K000188710
Milliken, W. [1699], Brazil 59723.000
Bidgood, S. [5976], Tanzania K000468449
Souza, V.C. [5322], Bahia K000188715
Bidgood, S. [5030], Tanzania K000190258

First published in Sp. Pl.: 44 (1753)

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.
  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • 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.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • 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.
  • Cabezas, F., Aedo, C. & Velayos, M. (2004). Checklist of the Cyperaceae of Equatorial Guinea (Annobón, Bioko, Río Muni) Belgian Journal of Botany 137: 3-26.
  • Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau) Garcia de Orta, Série de Botânica 17: 97-141.
  • 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.
  • 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.
  • Espejo Serna, A. & López-Ferrari, A.R. (1997). Las Monocotiledóneas Mexicanas una Sinopsis Florística 5: 1-98. Consejo Nacional de la Flora de México, México D.F.
  • 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.
  • Idárraga-Piedrahita, A., Ortiz, R.D.C., Callejas Posada, R. & Merello, M. (eds.) (2011). Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 1-939. Universidad de Antioquia, Medellín.
  • 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.
  • Marais, W. & Araujo, A.C. (2018). Flore des Mascareignes 202: 1-99. IRD Éditions, MSIRI, RBG-Kew, Paris.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Velayos, M., Aedo, C., Cabezas, F., de la Estrella, M., Barberá, P. & Fero, M. (eds.) (2014). Flora de Guinea Ecuatorial 11: 1-416. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • de Moura Júnior, E.G. & al. (2015). Updated checklist of aquatic macrophytes from Northern Brazil Acta Amazonica 45: 111-132.
  • de Oliveira Ribeiro, A.R. & al. (2014). Cyperaceae do rio Apodi-Mossoró, estado do Rio Grande do Norte, Brasil Hoehnea 41: 149-171.

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, 379 (1967).
  • Cherm. in Arch. Bot. Caen 7, Mém. 4: 16 (1936)
  • F.T.A. 8: 356
  • Kük. in Engl., Pflanzenr. Cyper. 77 (1936)
  • Nelmes & Baldwin in Amer. J. Bot. 39: 379 (1952)
  • Sp. Pl. 44 (1753)

Kew Backbone Distributions

  • Barthelat, F. (2019). La flore illustrée de Mayotte: 1-687. Biotope éditions.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • 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.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • de Moura Júnior, E.G. & al. (2015). Updated checklist of aquatic macrophytes from Northern Brazil Acta Amazonica 45: 111-132.
  • de Oliveira Ribeiro, A.R. & al. (2014). Cyperaceae do rio Apodi-Mossoró, estado do Rio Grande do Norte, Brasil Hoehnea 41: 149-171.

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by K. A. Lye [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 77 (1936)
  • F.T.A. 8: 356 (1902)
  • Fl. Eth. 6: 446 (1997).
  • Fl. Somalia 4: 120 (1995)
  • Haines & Lye, Sedges & Rushes E. Afr.: 183, fig. 353 (1983)
  • Sp. Pl.: 44 (1753)

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 Somalia
Flora of Somalia
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

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/

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/

Universidad Nacional de Colombia
ColPlantA database
http://creativecommons.org/licenses/by-nc-sa/3.0