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This species is accepted, and its native range is Tropical America, Tropical Africa, Madagascar.
Cyperus sphacelatus Rottb.

[FTEA]

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

Type
Type: Surinam, Rolander s.n. (C., holo)
Morphology General Habit
Annual up to 61 cm tall, slender to medium-sized, with a slightly swollen stem base and many slender roots.
Morphology Culms
Culms 27–50 cm long, 1.1–1.8 mm wide, trigonous, smooth
Morphology Leaves
Leaf sheath green to reddish brown, 2.5–5 cm long. Leaves up to 29 cm long long. Leaf blade linear, flat or w-shaped, 10–24 cm long, 1.6–3.1 mm wide, scabrid on margins and major veins, apex acute to acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf/-like, spreading, 3–4, lowermost 7–20 cm long, 2.5–3.3 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence simple, primary branches 3–5, 2.5–12.5 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in loose clusters on an elongated axis, sessile and at the end of primary (and sometimes secondary) branches, 7–12(–20) spikelets per cluster, linear, 11–23 mm long, 1.6–2.1 mm wide, axis slightly zig-zag.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes light brown with dark reddish-brown patch on the margin, ovate, 2.2–2.9 m long, 1.3—1.9 mm wide, keel slightly green, excurrent, apex acute to acuminate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2–2.9 mm long
Morphology Reproductive morphology Fruits
Nutlet brown, obovoid, trigonous, 1.1–1.4 mm long, 0.5–0.8 mm wide, smooth.
Ecology
Lake margins, swampy ground, shallow soil over rock; 450–1300 m. In open grassland, disturbed area, on rocks on shallow soil, roadside and slightly swampy grounds; 750–1200 m
Conservation
Least Concern (LC) due to its wide distribution.
Distribution
Range: Widespread throughout tropical Africa & Americas Flora districts: U3 U4 T1 T4

[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. 120 - 1500 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia.
Morphology General Habit
Hierba
Conservation
Preocupación Menor

[FWTA]

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

Diagnostic
Generally characterized by the dark red-purple spot at the lower edge of the glume and the golden-green colour of the lower sheaths but both may be absent
Ecology
Weed of disturbed ground and in damp grassy places.

Native to:

Angola, Benin, Bolivia, Brazil North, Brazil Northeast, Brazil West-Central, Burkina, Burundi, Cameroon, Central African Repu, Central American Pac, Colombia, Congo, Costa Rica, Cuba, Dominican Republic, Ecuador, Equatorial Guinea, French Guiana, Gabon, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Haiti, Honduras, Ivory Coast, Jamaica, Leeward Is., Liberia, Madagascar, Mali, Mauritania, Nicaragua, Nigeria, Panamá, Peru, Puerto Rico, Senegal, Sierra Leone, Suriname, Tanzania, Togo, Trinidad-Tobago, Uganda, Venezuela, Windward Is., Zambia, Zaïre

Introduced into:

Bismarck Archipelago, Borneo, Chagos Archipelago, Florida, India, Malaya, Marquesas, New Guinea, Queensland, Society Is., Sri Lanka, Sumatera, Thailand, Vietnam

Cyperus sphacelatus Rottb. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 1, 2001 Pollard, B.J. [110], Cameroon K000050658
Dec 1, 1979 Mori, S.A. [11607], Bahia K000188724
Aug 22, 1971 Barter [187], Nigeria K000321308 Unknown type material
Chantaranothai, P. [1357], Thailand K000430998
Chevalier, A. [873], Mali K000391876
Harley, R.M. [17275], Bahia K000188725

First published in Descr. Icon. Rar. Pl.: 26 (1773)

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.
  • 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., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
  • 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.
  • 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.
  • Sheppard, C.R.C. & Seaward, M.R.D. (eds.) (1999). Ecology of the Chagos archipelago: 1-350. Westbury Academic & Scientific Publishing, Otley.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • 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.

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. 2, 387 (1967).
  • Cherm. in Arch. Bot. Caen 7, Mém. 4: 14 (1936)
  • Descr. Pl. Nov. Programm. 21 (1772)
  • Descr. et Icon. 26 (1773)
  • F.T.A. 8: 346
  • Kük. in Engl., Pflanzenr. Cyper. 129 (1936)

Kew Backbone Distributions

  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 1: 1-114. 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., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Lorence, D.H. & Wagner, W.L. (2019). Flora of the Marquesas Islands 1: 1-411. National Tropical Botanic Garden, Smithsonian, DRPF.
  • Sheppard, C.R.C. & Seaward, M.R.D. (eds.) (1999). Ecology of the Chagos archipelago: 1-350. Westbury Academic & Scientific Publishing, Otley.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Flora of Tropical East Africa

  • Descr. Icon. Rar. Pl.: 26 (1773)
  • E.P. 4, 20 (101): 129 (1936)
  • F.T.A. 8: 346 (1902)
  • Haines & Lye, Sedges & Rushes E. Afr.: 195, figs. 383, 384 (1983).

Catálogo de Plantas y Líquenes de Colombia
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Colombian resources for Plants made Accessible
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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/

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/
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