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This species is accepted, and its native range is Tropics & Subtropics.
Cyperus cuspidatus Kunth.

[FTEA]

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

Type
Type: Venezuela, Humboldt & Bonpland s.n. (P, holo.)
Morphology General Habit
Annual, slender, up to 25 cm tall, with a slender root system.
Morphology Culms
Culms tufted, 1–17 cm long, 0.2–0.5 mm wide, trigonous, glabrous
Morphology Leaves
Leaf blade linear, flat or inrolled, 1–12 cm long, 0.2–1.1 mm wide, slightly scabrid near the apex, apex acuminate Leaf sheath reddish-brown to purple, 0.1–1.4 cm long. Leaves up to 13.4 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like to filiform, spreading, 2–7, lowermost 2–13 cm long, 0.3–0.7 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, primary branches 1–4, 0.5–8.5 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in digitate clusters, sessile and at the end of primary branches, 4–25 per spike, linear, squarrose, 4–10 mm long, 1–2 mm wide, 8–25-flowered, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes orange to reddish-brown, truncate, 1.3–2.2 mm long (including 0.4–0.8 recurved mucro), 0.4–0.5 mm wide, keel green, excurrent, strongly 3-veined, apex mucronate, recurved
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–3.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers ± 0.2 mm long
Morphology Reproductive morphology Fruits
Nutlet reddish-brown with dark grey angles, obovoid, trigonous, (0.5–)0.7–0.8 mm long, (0.2–)0.3–0.4 mm wide, densely papillose.
Ecology
In grassland, on rocky outcrops; near sea level–1550 m
Conservation
Least Concern (LC) due to its wide distribution and common habitat.
Distribution
Flora districts: U1 U3 K1 K4 K7 T4 T6 T7 T8 Z P Range: Widespread in Africa, Asia and the Americas

[FSOM]

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

Morphology General Habit
Slender annual with a minute root system; stems 3–14 cm long and 0.2–0.5 mm thick, triangular, glabrous
Morphology Leaves
Leaf-blades flat or inrolled, slightly scabrid near the apex, 1–8 cm long and 0.2–0.8 mm wide; sheaths reddish brown to purple
Morphology Reproductive morphology Inflorescences
Anthela 2.5–4 cm in diam. when consisting of several spikelet-clusters; each spikelet-cluster 1–2 cm across Inflorescence a single spikelet-cluster of 4–20 (rarely 1–3) spikelets, or of 1 sessile and 1–3 stalked spikelet-clusters; major involucral bracts 2–8 cm long, leafy to filiform; major inflorescence-branches (when present) 0.5–2 cm long
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 4–10 x 1.7–2 mm, linear, squarrose, reddish brown, 8–25-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 1.6–2 mm long including the 0.5–0.6 mm long excurrent recurved midrib, strongly 3-nerved, truncate, reddish brown with green midrib
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–3
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3-branched
Morphology Reproductive morphology Fruits
Nutlet 0.6–0.8 x 0.3–0.4 mm, obovate, strongly triangular, reddish brown with dark grey angles, densely papillose.
Distribution
S1 pantropical.
Ecology
Altitude below 500 m.

[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. 40 - 450 m.; Amazonia, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia.
Morphology General Habit
Hierba
Conservation
No Evaluada

Native to:

Alabama, Andaman Is., Angola, Assam, Bangladesh, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Burkina, Burundi, Cambodia, Central African Repu, Chad, China North-Central, China South-Central, China Southeast, Colombia, Congo, Cuba, East Himalaya, El Salvador, Ethiopia, Florida, French Guiana, Gabon, Gambia, Georgia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Honduras, India, Ivory Coast, Jawa, Kenya, KwaZulu-Natal, Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mauritania, Mauritius, Mexico Central, Mexico Gulf, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mozambique, Namibia, Nepal, Niger, Nigeria, Northern Provinces, Northern Territory, Pakistan, Peru, Philippines, Queensland, Senegal, Sierra Leone, Somalia, South Carolina, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Swaziland, Taiwan, Tanzania, Thailand, Tibet, Togo, Uganda, Venezuela, Vietnam, West Himalaya, Western Australia, Zambia, Zaïre, Zimbabwe

Cyperus cuspidatus Kunth appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1967 Smitinand, T. [4578], Thailand K000467644
Jan 1, 1967 Kerr, A.F.G. [13443], Thailand K000467632
Jan 1, 1967 Noe, N. [138], Thailand K000467639
Cuming, H. [676], Philippines K000290907 isotype
Clemens, M.S. ["B"], Philippines K000290908
Loher, A. [713], Philippines K000290909
Winit [1850], Thailand K000467631
Chantaranothai, P. [90/3], Thailand K000467633
Chantaranothai, P. [1627], Thailand K000467634
Put [4183], Thailand K000467635
Kerr, A.F.G. [8085], Thailand K000467637
Kerr, A.F.G. [2239a], Thailand K000467638
Chantaranothai, P. [1610], Thailand K000467641
Simpson, D. [1563], Thailand K000467642
Wrigley, T.C. [148] K000267179
Chantaranothai, P. [1648], Thailand K000467640
Bidgood, S. [5855], Tanzania K000468570
Chantaranothai, P. [1575], Thailand K000467643
Kerr, A.F.G. [8398], Thailand K000467636
Jaeger, P. [22], Mali K000391897
Aug 1, 1892 Lyall [84], Madagascar Cyperus uncinatus K000321326 Unknown type material
Jan 1, 2003 Salzmann, P. [s.n.], Bahia Cyperus cuspidatus var. burchellii K000189920 Unknown type material
Jan 1, 2003 Burchell [9642], Brazil Cyperus cuspidatus var. burchellii K000602466 holotype
Spruce, R. [2041], Brazil Cyperus cuspidatus var. burchellii K000602464
Burchell [9574], Brazil Cyperus cuspidatus var. burchellii K000602465

First published in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. 1: 204 (1816)

Accepted by

  • 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.
  • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
  • 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.
  • 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.
  • 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.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Jørgensen, P.M., Nee, M.H. & Beck., S.G. (eds.) (2013). Catálogo de las plantas vasculares de Bolivia Monographs in Systematic Botany from the Missouri Botanical Garden 127: 1-1741.
  • 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.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • 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.
  • 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.
  • 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

  • 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.
  • 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.
  • Chou, S., Chhnang, P. & Kim, Y. (2016). A Checklist for the Seed Plants of Cambodia: 1-272. National Institute of Biological Resources, Korea.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Jørgensen, P.M., Nee, M.H. & Beck., S.G. (eds.) (2013). Catálogo de las plantas vasculares de Bolivia Monographs in Systematic Botany from the Missouri Botanical Garden 127: 1-1741.
  • 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.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • 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

  • E.P. 4, 20 (101): 261 (1936)
  • Fl. Eth. 6: 461 (1997).
  • Flora of Somalia 4: 125 (1995)
  • H.B.K., Nov. Gen. Sp. 1: 204 (1817)
  • Haines & Lye, Sedges & Rushes E. Afr.: 252, figs. 507, 508 (1983)

Catálogo de Plantas y Líquenes de Colombia
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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
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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/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/