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This species is accepted, and its native range is Tropical & Subtropical Old World.
A specimen from Kew's Herbarium

[FTEA]

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

Type
Type: Egypt, Forskåhl s.n. (C, holo.)
Morphology General Habit
Perennial up to 135 cm tall, robust, stoloniferous, stolons covered by distantly spaced black scales.
Morphology Culms
Culms 42–119 cm long, 2–5 mm wide, trigonous, smooth
Morphology Leaves
Leaf blade linear, flat, 30–86 cm long, 5–10 mm wide, glabrous, apex acute to acuminate Leaves up to 90 cm long. Leaf sheath brown, sometimes slightly fibrous and blackish at base, 1–11 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts 2–4, spreading. Leaf-like, lowermost 8–30 cm long, 3–8 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence simple (to compound), primary branches 3–7, 0.5–12 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets loosely clustered, sessile and at the end of primary branches, 7–20 per cluster, linear, 8.5–28 mm long, 1.9–2.9 mm wide.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes reddish-brown, with an uncoloured margin, ovate, 2.2–3.2 mm long, 1.6–1.9 mm wide, keel pale brown to brown, flattish, apex rounded to emarginate Glumes spreading with age, straight to slightly curved.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 1.6–4 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1–1.9 mm long
Morphology Reproductive morphology Fruits
Nutlet brown, obovoid, trigonous, 1–1.6 mm long, 0.9–1.6 mm wide, smooth to slightly papillose in longitudinal rows.
Ecology
In seasonally wet grasslands and swamps, growing in water; 30–1650 m
Conservation
Least Concern (LC)
Distribution
Flora districts: K7 T3 T4 T5 T6 T7 Range: Widespread in west and tropical Africa down into South Africa; Egypt

[FWTA]

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

Morphology General Habit
Stoloniferous sedge to about 120 cm. high
Vegetative Multiplication Rhizomes
Elongated rhizomes
Morphology Stem
Winged triangular stems
Morphology Reproductive morphology Inflorescences Bracts
Long acuminate bracts
Morphology Reproductive morphology Inflorescences
A small umbel of flattened spikelets with membranous-edged, brown glumes
Ecology
Marshy grassland, rice farms and near open water.

[FSOM]

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

Morphology General Habit
Fairly robust perennial with up to 15 cm long very slender stolons covered by distantly spaced blackish or grey scales
Morphology Stem
Stems 50–90 cm long and 2–5 mm thick (but wider across the leaf-sheaths), triangular
Morphology Leaves
Leaves many in the lower part, the largest 20–60 cm long and 3–10 mm wide
Morphology Reproductive morphology Inflorescences
Spikes 2–4 x 2–5 cm, with 5–20 spreading spikelets Inflorescence a lax or somewhat congested anthela 5–20 cm long and 5–15 cm wide, consisting of 2–4 leafy bracts and 3–6 stalked spikes with or without stalked or sessile secondary spikes from the base of the primary spikes
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–30 x 1.5–3.5 mm, linear
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 2.5–3 mm long, ovate, light to dark reddish brown with an uncoloured margin and a rounded apex
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3-branched
Morphology Reproductive morphology Fruits
Nutlet 1.2–1.6 x 0.7–0.9 mm, obovate, triangular, brown.
Distribution
S2 tropical Africa.
Ecology
Near sea-level.

Native to:

Andaman Is., Assam, Bangladesh, Borneo, Burkina, Cambodia, Cameroon, Chad, China Southeast, Egypt, Ethiopia, Ghana, Hainan, India, Ivory Coast, Jawa, Kenya, Laos, Madagascar, Malawi, Malaya, Mali, Namibia, Nepal, New South Wales, Niger, Nigeria, Northern Provinces, Northern Territory, Philippines, Queensland, Somalia, Sri Lanka, Sudan, Taiwan, Tanzania, Thailand, Togo, Vietnam, Zambia, Zimbabwe

Introduced into:

Jamaica

Cyperus procerus Rottb. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 1, 1998 Simpson, D.A. [1557], Thailand K000467080
Jan 1, 1971 Aké Assi, L. [10730], Burkina Faso K000391854
May 1, 1892 Brown, R. [5897], Australia K000309475
Apr 1, 1890 s.coll. [1392], China K000309405
Haniff, M. [2917], Thailand K000467077
Kerr, A.F.G. [11101], Thailand K000467075
Simpson, D.A. [1753], Thailand K000467071
Chantaranothai, P. [1595], Thailand K000467078
Chantaranothai, P. [1595], Thailand K000467079
Simpson, D.A. [1751], Thailand K000467081
Bidgood, S. [5376], Tanzania K000190606
Kerr, A.F.G. [3832], Thailand K000467073
Scholz [312], Burkina Faso K000391855
Leau, C.B. [98], Mali K000391856
Kerr, A.F.G. [3780], Thailand K000467072
Chevalier, A. [25], Mali K000391857
Niyomdham, C. [1896], Thailand K000467076
Kerr, A.F.G. [6984], Thailand K000467074

First published in Descr. Icon. Rar. Pl.: 29 (1773)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • 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.
  • 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.
  • Middleton, D.J. & al. (eds.) (2019). Flora of Singapore 7: 1-525. Singapore Botanic Gardens.
  • 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.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Literature

Flora of West Tropical Africa

  • C. pilosus of F.T.A. 8: 351.
  • Descr. et Icon. 29 (1773)

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.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • 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.
  • 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

  • Descr. Icon. Rar. Pl.: 29 (1773)
  • E.P. 4, 20 (101): 91 (1936)
  • Fl. Eth. 6: 445, fig. 212.80 (1997).
  • Fl. Somalia 4: 120 (1995)
  • Haines & Lye, Sedges & Rushes E. Afr.: 182, fig. 352 (1983)

Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew

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