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This species is accepted, and its native range is Tropical & Subtropical to N. America.
Cyperus squarrosus L.

[FSOM]

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

Morphology General Habit
Fairly slender annual with solitary or crowded stems and a minute root-system
Morphology Stem
Stems 3–20 cm long and 1–3 mm thick, triangular, almost glabrous, not swollen at the base
Morphology Leaves
Leaves 2–10 cm long and 1–4 mm wide, flat, slightly scabrid or glabrous; sheaths green to purple, rather wide
Morphology Reproductive morphology Inflorescences
Inflorescence a 1–5 cm long and 1–4 cm wide anthela consisting of 1–2 sessile spikes and 1–7 stalked spikes on 0.5–4 cm long peduncles, rarely reduced to a solitary spike Spikes 0.5–1.5 x 0.5–1.2 cm, consisting of numerous crowded spikelets
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3–7 x 2–3 mm, linear, yellowish green to reddish brown, flattened, squarrose with recurved glume-apices, 6–15-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 1.4–1.7 mm long, elliptic, yellow to reddish brown with a green strongly excurrent midrib and 3–4 nerves on each side of the midrib
Morphology Reproductive morphology Flowers Androecium Stamens
Stamen 1
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 3 long branches
Morphology Reproductive morphology Fruits
Nutlet 0.6–0.7 x 0.2–0.3 mm, narrowly oblong, triangular, dark grey, minutely papillose, disarticulating at its base but held by the persistent glume so that it falls with the spikelet.
Distribution
S1 pantropical, but rare in America.
Ecology
Sea-level to 250 m.

[FTEA]

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

Type
Type: India, LINN, lecto.
Morphology General Habit
Annual, fairly slender, up to 40 cm tall, not swollen at base, with a minute rootsystem.
Morphology Culms
Culms solitary or crowded and tufted, 1–33 cm long, 0.4–3 mm wide, trigonous, almost glabrous
Morphology Leaves
Leaf sheath green to purple, rather wide, 0.6–4.7cm long. Leaves up to 19 cm long. Leaf blade linear, flat, 2–13.5 cm long, 1–4 mm wide, slightly scabrid to glabrous, apex acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, erect to spreading, 2–5, lowermost 1.6–14 cm long, 1–5 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, primary branches 1–7, 0.5–7 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in dense spikes, sessile and at the end of primary branches, 6–41 per spike, crowded, linear, 2–7 mm long, 1.5–3 mm wide, flattened, squarrose with recurved glume-apices, 5–15-flowered.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes yellowish to reddish-brown, elliptic, 1.4–2.7 mm long (including 0.3–1.1 mm long mucro), 0.3–0.4 mm wide, keel green, strongly excurrent with 3–4 veins on either side, apex strongly mucronate, recurved
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.2–0.3 mm long
Morphology Reproductive morphology Fruits
Nutlet dark grey, narrowly oblong to obovoid, trigonous, 0.5–0.8 mm long, 0.2–0.4 mm wide, minutely papillose, disarticulating at its base but held by persistent glume so that it falls with the spikelet
Figures
Fig. 33, p216
Ecology
Grassland, roadside, shallow sandy washes; 200–2000 m
Conservation
Least Concern (LC)
Distribution
Flora districts: U1 U2 U3 K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 T4 T5 T6 T7 T8 Range: Widespread in Africa, India, Australia, the Americas

[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. 10 m.; Llanura del Caribe.
Morphology General Habit
Hierba
Conservation
No Evaluada

[FWTA]

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

Morphology General Habit
Annual weed
Morphology Reproductive morphology Inflorescences
Golden or reddish hemispherical or ovoid spikes
Morphology Leaves
Soft leaves
Ecology
Widespread in open ground.

Native to:

Afghanistan, Alabama, Alberta, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Aruba, Assam, Bahamas, Bangladesh, Benin, Bolivia, Botswana, Brazil North, Brazil Northeast, British Columbia, Burkina, Burundi, California, Cape Provinces, Cape Verde, Central African Repu, Chad, Chile Central, China South-Central, Colombia, Colorado, Connecticut, Cuba, Delaware, District of Columbia, East Himalaya, Ecuador, Eritrea, Ethiopia, Florida, Free State, Gabon, Galápagos, Gambia, Georgia, Ghana, Guinea, Guinea-Bissau, Haiti, Idaho, Illinois, India, Indiana, Iowa, Ivory Coast, Kansas, Kentucky, Kenya, KwaZulu-Natal, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Maine, Malawi, Mali, Manitoba, Maryland, Massachusetts, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Mozambique, Myanmar, Namibia, Nebraska, Nepal, Netherlands Antilles, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New South Wales, New York, Niger, Nigeria, North Carolina, North Dakota, Northern Provinces, Northern Territory, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Paraguay, Pennsylvania, Peru, Puerto Rico, Queensland, Québec, Rhode I., Rwanda, Saudi Arabia, Senegal, Socotra, Somalia, South Australia, South Carolina, South Dakota, Sri Lanka, Sudan, Swaziland, Tanzania, Tennessee, Texas, Thailand, Tibet, Togo, Turks-Caicos Is., Uganda, Uruguay, Utah, Venezuela, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Virginia, Western Australia, Wisconsin, Wyoming, Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

Italy

Cyperus squarrosus L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1967 Burkill, H.M. [HMB.1250], Thailand K000467919
Jan 1, 1966 Jaeger, P. [59], Mali K000391905
Jan 1, 1966 Chevalier, A. [25], Burkina Faso K000391907
Jan 1, 1966 Jaeger, P. [65], Mali K000391906
Jan 1, 1966 Demange [29], Mali K000391904
Bidgood, S. [5206], Tanzania K000190434
Kerr, A.F.G. [13467], Thailand K000467920
Put [2501], Thailand K000467921
Rico, L. [1485], Bolivia K000295442
Sep 1, 1989 Bowman, E.M. [s.n.], Queensland Cyperus squarrosus var. cylindraceus K000950435 syntype
Mueller, B.F. Von. [s.n.], Australia Cyperus squarrosus var. cylindraceus K000950434
Giles [s.n.], Northern Territory Cyperus squarrosus var. cylindraceus K000950436
Leichardt, F.W.L. [s.n.], Queensland Cyperus squarrosus var. cylindraceus K000950437

First published in Cent. Pl. II: 6 (1756)

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.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Campbell, D. (2012). Noteworthy collections. North Carolina Castanea 77: 80-81.
  • 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.
  • Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia, ed. 2: 1-358. Province of British Columbia.
  • 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.
  • 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.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Rothrock, P.E. (2009). Sedges of Indiana and adjacent states: the non-Carex species: 1-271. Indiana Academy of Sciences.
  • Verloove, F. (2014). A conspectus of Cyperus s.l. (Cyperaceae) in Europe (incl. Azores, Madeira and Canary islands), with emphasis on non-native naturalised species Webbia; Raccolta de Scritti Botanici 69: 179-223.
  • 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/"

Kew Backbone Distributions

  • 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.
  • 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.
  • 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.
  • Correll, D.S. & Correll, H.B. (1982). Flora of the Bahama Archipelago: 1-1692. J.Cramer, Vaduz.
  • 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.
  • 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.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Mosti, S., Raffaelli, M. & Tardelli, M. (2012). Contributions to the flora of central-southern Dhofar (Sultanate of Oman) Webbia; Raccolta de Scritti Botanici 67: 65-91.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Verloove, F. (2014). A conspectus of Cyperus s.l. (Cyperaceae) in Europe (incl. Azores, Madeira and Canary islands), with emphasis on non-native naturalised species Webbia; Raccolta de Scritti Botanici 69: 179-223.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Flora of Somalia

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

Flora of Tropical East Africa

  • Cent. Pl. II: 6 (1756)
  • E.P. 4, 20 (101): 505 (1936)
  • Fl. Eth. 6: 461, fig. 212.109 (1997).
  • Flora of Somalia 4: 125 (1995)
  • Haines & Lye, Sedges & Rushes E. Afr.: 253, figs. 501, 502 (1983)

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

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/