Cyperaceae
Cyperus

Cyperus diffusus Vahl

First published in Enum. Pl. Obs. 2: 321 (1805)
This species is accepted
The native range of this species is Tropical & Subtropical Asia to Queensland. It is a perennial or rhizomatous geophyte and grows primarily in the seasonally dry tropical biome.

Distribution

Native to:

Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Malaya, Maluku, Myanmar, Nepal, New Guinea, Nicobar Is., Queensland, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Tibet, Vietnam

Synonyms

Homotypic Synonyms

Accepted Infraspecifics

Classification

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Publications

POWO follows these authorities in accepting this name:

  • 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.
  • 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.

An alternative taxonomy had been proposed by the following authorities:

  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. [Cited as Cyperus laxus.]

Flora of West Tropical Africa

  • Enum. Pl. 2: 321 (1806).

Kew Backbone Distributions

  • Pasha, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Jul 9, 1990 McClelland [s.n.] India K001691357 Yes
Jul 9, 1990 Hooker, J.D. [s.n.] India K001613103 Yes
Jul 9, 1990 McClelland [s.n.] India K003066737 Yes
Jan 1, 1967 Kerr, A.F.G. [12783] Thailand K000467194 Yes
Jan 1, 1967 Kerr, A.F.G. [11170] Thailand K000467193 Yes
Kadir; Enggoh [10336] K002291730 Yes
Hoogland, R.D.; Craven, L.A. [10069] Papua New Guinea K002292413 Yes
Williams, R.S. [85] Philippines K002292144 Yes
Dransfield, S.; Dransfield, J.; Boyce, P.C. [1011] Brunei K002291718 Yes
Lau, S.Y. [20311] China K003065045 Yes
s.coll. [27203 [C]] India K003066714 Yes
s.coll. [2149] China K003065042 Yes
Hoed, G.den [131] Thailand K000467166 Yes
Hoed, G.den [233] Thailand K000467164 Yes
Meebold, A. [8544] India K003066767 Yes
Simpson, D.A.; Casserly, R.; Lamb, A.; Philipps, A. [89/179] Malaysia K002291746 Yes
Dewol; Langkap; Kambir [SAN109152] Malaysia K002291735 No
Calder, C.C.; Ramaswami, M.S. [148] India K003066726 Yes
Kurz, S. [s.n.] India K003066731 Yes
Clarke, C.B. [40791A] India K003066754 Yes
Simpson, D.A.; Casserly, R. [89/170] Malaysia K002291734 Yes
Tsang, W.T. [26821] China K003065041 Yes
Schimizu, T. [T10580] Thailand K000467196 Yes
Sam, P.P.; Dewol [SAN70289] Malaysia K002291738 No
s.coll. [14378] Philippines K002292136 Yes
Hennipman, E. [3116] Thailand K000467160 Yes
Calderon, G.M. [1735] Mexico K003725900 Yes
Kern, J.H. [8623] Indonesia K002291706 Yes
Hoed, G.den; Kostermans, A. [923] Thailand K000467165 Yes
Carr, C.E. [11296] Papua New Guinea K002292406 Yes
Kerr, A.F.G. [14085] Thailand K000467154 Yes
Wenger, W.J.L. [283] India K003066734 Yes
{Coode, M.J.E.; Khoon, M.W.; et al.} [6420] Brunei K002291727 Yes
Narayanaswami, V. [464] India K003066723 Yes
Gibot, A. [SAN99520] Malaysia K002291748 Yes
s.coll. [6162] India K003066762 Yes
{Abg. Mohtar; Hj. Othman} [S59575] Malaysia K002291713 Yes
Franken; Roos [17] Indonesia K002291700 Yes
Saldanha, C.J. [15857] India K003066728 Yes
Motley, J. [65] K002291709 Yes
Jones, B. [24] Malaysia K002291741 Yes
Reynoso, E.; Majaducon, R. [s.n.] Philippines K002292133 Yes
Church, A.C.; Mahyar, U.W.; Indah; Ismail; Hamzah [844] Indonesia K002291749 Yes
Sands, M.J.S.; Pattison, G.A.; Wood, J.J. [1769] Papua New Guinea K002292422 Yes
Thompson, S.A. [1361] Cameroon K002358968 Yes
Wiriadinata, H. [566] Indonesia K001734638 Yes
Rumutom, M. [304] Malaysia K002291739 Yes
Parish [294] India K003066735 Yes
Synge, P.M.; Richards [1084] K002291714 Yes
McGregor, R.C. [s.n.] Philippines K002292137 Yes
Burley, J. [2066] Indonesia K002291703 Yes
Jacob, K.C. [17240] India K003066725 Yes
Hooker [574] India K003066747 Yes
Keith, H.G. [9348] K002291728 Yes
Put [2108] Thailand K000467157 Yes
Michel; Reed [1625] Congo, Democratic Republic of the K002358967 Yes
Tadong, L. [288] Malaysia K002291740 Yes
Parnell; Pendry; Jebb; Pooma [95-202] Thailand K000467169 Yes
Meyer, R. [2581-1] Philippines K002292159 Yes
Hoed, G.den; Kostermans, A. [457] Thailand K000467163 Yes
Buwalda, P. [5851] Indonesia K002291753 Yes
Nooteboom, H.P. [1184] Malaysia K002291743 Yes
Murata, G.; Iwatsuki, K.; Kato, M.; Mogea, J.P. [B-2754] Indonesia K002291733 Yes
Hunt, P.F. [2175] K002294934 Yes
Backer [8288] Indonesia K002291705 Yes
Jacobs, M. [5612] Brunei K002291719 Yes
Herb Griffith [6162] India K003066715 Yes
van Borssum Waalkes, J. [597] Indonesia K002291755 Yes
Iwatsuki, k.; Fukuoka, N. [T10375] Thailand K000467197 Yes
Keenan, R.L. [s.n.] India K003066742 Yes
Schodde, R. [2485] Papua New Guinea K002292428 Yes
Rahim; et al. [SAN100382] Malaysia K002291736 No
Chantaranothai, P.; Parnell, J.; Simpson, D.; Sridit, K. [90/44] Thailand K000467151 Yes
Williams, L. [17281] Thailand K000467198 Yes
Thwaites [C[V]2879] Sri Lanka K003066729 Yes
Reynoso, E.; Majaducon, R. [s.n.] Philippines K002292155 Yes
Coode, M.; Cropley, T.; Katik, P. [NGF29653A] Papua New Guinea K002292427 Yes
Rahayu, N.M. [201] Indonesia K002291704 Yes
s.coll. [18286] Philippines K002292148 Yes
Waterhouse, J.H.L. [85] Solomon Islands K002294932 Yes
Clarke, C.B. [37821C] India K003066757 Yes
Takeuchi, W.; Wiakabu, J.; Ama, D. [21895] Papua New Guinea K002292423 Yes
s.coll. [018166] India K003066769 Yes
Wenzel, C.A. [3417] Philippines K002292152 Yes
Hooper, S.S.; Gandhi, K.N. [HFP2447] India K003066775 Yes
Calder, C.C.; Ramaswami, M.S. [1414] India K003066727 Yes
Merrill, E.D. [5054] Philippines K002292161 Yes
Elmer, A.D.E. [6674] Philippines K002292139 Yes
Mooney, H.F. [2045] India K003066720 Yes
Boden-Kloss, C. [s.n.] K002292408 Yes
Anta; Wentholt, F.A. [68] K002292418 Yes
Clarke, C.B. [36665 F] India K003066739 Yes
Schodde, R. [2327] Papua New Guinea K002292414 Yes
Larsen, K.; Santisuk, T.; Warncke, E. [2095] Thailand K000467149 Yes
Parry, N.E. (Mrs.) [1220] India K003066755 Yes
Docters van Leeuwen, W.M. [10552] Indonesia K002292420 Yes
Johansson, J.T.; Nybom, H.; Riebe, S. [92] Indonesia K002291751 Yes
Wenger, W.J.L. [283] India K003066749 Yes
Gamble, J.S. [3182 A] India K003066740 Yes
Chantaranothai, P.; Chyamarit, K.; Middleton, D.; Parnell, J.; Simpson, D. [1209] Thailand K000467146 Yes
s.coll. [130] Congo, Democratic Republic of the K002358965 Yes
Suali; Sumbing [SAN101343] Malaysia K002291744 Yes
s.coll. [6162] Burma K003066772 Yes
Gossweiler, J. [2989] Angola K000362644 Type Yes
s.coll. [s.n.] India K003066768 Yes
Loher, A. [719] Philippines K002292146 Yes
Bunchuai, K. [32287] Thailand K000467167 Yes
Ellen, R. [47] Indonesia K002291754 Yes
Hallier, H.G. [1389] Indonesia K002291710 Yes
Carr, C.E. [11502] Papua New Guinea K002292409 Yes
Ocampo, R.A.; Ocampo, S. [2262] Costa Rica K003725902 Yes
Girmansyah, D. [Deden833] Indonesia K002291752 Yes
Clarke, C.B. [19689A] India K003066761 Yes
Parnell; Pendry; Jebb; Pooma [95-298] Thailand K000467172 Yes
Belcher, R.O. [s.n.] India K003066750 Yes
Raynal, J. [16846] Indonesia K002292424 Yes
Kerr, A.F.G. [20557] Thailand K000467156 Yes
Chantaranothai, P.; Chayamarit, K.; Middleton, D.; Parnell, J.; Simpson, D. [1313] Thailand K000467144 Yes
Hooper, S.S.; Gandhi, K.N. [HFP2454] India K003066776 Yes
Forsyth Major [612] Madagascar K002955574 Yes
Ramos, M. [s.n.] Philippines K002292154 Yes
[Mr. Marh] [s.n.] India K003066748 Yes
Hook, f.; Thomson [s.n.] India K003066746 Yes
Miller, A.N. [NGF35332] Papua New Guinea K002292411 Yes
Raynal, J. [16853] Indonesia K002292425 Yes
Lütjeharms, W.J. [5027] Indonesia K002291701 Yes
Collins, D.J. [846] Thailand K000467192 Yes
Floyd, A. [s.n.] Papua New Guinea K002292429 Yes
Kerr, A.F.G. [1187] Thailand K000467158 Yes
Kadir [A2598] K002291729 Yes
Put [4315] Thailand K000467159 Yes
s.coll. [2149] China K003065040 Yes
Mooney, H.F. [469] India K003066721 Yes
s.coll. [2855] India K003066718 Yes
Topping, D.L. [463] Philippines K002292142 Yes
Sinclair, J.; Edaño, G.E. [9515] Philippines K002292149 Yes
Simpson, D.A.; Casserly, R. [89/214] Malaysia K002291747 Yes
s.coll. [6161] India K003066730 Yes
Simpson, D.A.; Marsh, M. [2435] Brunei K002291724 Yes
Kerr, A.F.G. [20521] Thailand K000467155 Yes
Loher, A. [720] Philippines K002292145 Yes
Copeland, E.B. [291] Philippines K002292141 Yes
Nakisi, A. [BSIP 8103] Solomon Islands K002294936 Yes
{Kalat, A.; Said, I.M.; Niga, N.; Ahmad, J.H.A.; Rosli, M.; Ibrahim, A.; et al.} [BRUN17608] Brunei K002291708 Yes
Sands, M.J.S.; Bat, S.; Fikir, S. [5526] Brunei K002291722 Yes
Carr, C.E. [12750] Papua New Guinea K002292433 Yes
Kostermans, A.J.G.H. [26093] India K003066722 Yes
Topping, D.L. [465] Philippines K002292143 Yes
Devore; Hoover [280] Philippines K002292150 Yes
Rafasl, A.; Ocampo, S. [1703] Costa Rica K003725901 Yes
Hunt, P.F. [2420] K002294935 Yes
Sales, J.G. [1673] K002291732 Yes
Edaño, G. [s.n.] Philippines K002292158 Yes
[K. Venkoba Rao] [4099] India K003066770 Yes
Herb. Griffith [6354] Burma K003066732 Yes
Lütjeharms, W.J. [4749] Indonesia K002291702 Yes
s.coll. [s.n.] K002294931 Yes
Nielsen, I.; Balslev, H. [980] Brunei K002291707 Yes
Schodde, R.; Craven, L. [4126] Papua New Guinea K002294933 Yes
Chantaranothai, P.; Middleton, D.; Parnell, J.; Simpson, D. [944] Thailand K000467145 Yes
Micholitz [s.n.] Philippines K002292153 Yes
Ramlanto; Fanani, Z. [514] Indonesia K002291750 Yes
Parnell; Pendry; Jebb; Boonthavikoon, T. [95-530] Thailand K000467170 Yes
Reynoso; Majaducon [s.n.] Philippines K002292134 Yes
Ramos, M.; Edano, G. [s.n.] Philippines K002292157 Yes
Kloss, C.B. [6645] Thailand K000467200 Yes
Howard, A.J. [2] Thailand K000467152 Yes
Schanzer, I. [N24c] Thailand K000467195 Yes
Synge, P.M. [1084] K002291715 Yes
Belcher, R.O. [s.n.] India K003066733 Yes
Howard, A.J. [21] Thailand K000467162 Yes
Howard, A.J. [21] Thailand K000467161 Yes
Chantaranothai, P.; Middleton, D.; Parnell, J.; Simpson, D.; Simpson, R. [1362] Thailand K000467148 Yes
Parnell; Pendry; Jebb; Pooma [95-308] Thailand K000467168 Yes
s.coll. [114] Congo, Democratic Republic of the K002358964 Yes
Docters van Leeuwen, W.M. [10492] Indonesia K002292431 Yes
Poulsen, A.D. [66] Brunei K002291725 Yes
s.coll. [2855] India K003066717 Yes
Henty, E.E.; Katik, P. [LAE72482] Papua New Guinea K002292426 Yes
Johns, R.J.; Niga; Salleh; Shanang; Ham; Ramlee [7417] Brunei K002291726 Yes
Chun, N.K.; Tso, C.L. [43613] China K003065043 Yes
Keenan, R.L. [s.n.] India K003066752 Yes
Hook, f.; Thomson [s.n.] India K003066759 Yes
Moseley [s.n.] Indonesia K002291757 Yes
Streimann, H. [NGF28793] Papua New Guinea K002292412 Yes
Simpson, D.A.; Marsh, M. [2610] Brunei K002291717 Yes
Chantaranothai, P.; Middleton, D.; Parnell, J.; Simpson, D. [943] Thailand K000467147 Yes
Chantaranothai, P.; Parnell, J.; Simpson, D. [90/450] Thailand K000467150 Yes
Blewett, J.B.J. [39] Malaysia K002291742 Yes
Whitford, H.N. [1666] Philippines K002292138 Yes
Carr, C.E. [11784] Papua New Guinea K002292404 Yes
Othman; et al. [S43722] Malaysia K002291716 Yes
Clarke, C.B. [9836] India K003066751 Yes
Humblot, L. [96] Madagascar K002955575 Yes
{Ledermann} [6670] Papua New Guinea K002292410 Yes
Chaoenphol, C.; Larsen, K.; Warncke, E. [3865] Thailand K000467199 Yes
s.coll. [18137] Philippines K002292135 Yes
Aet; Lundquist, E. [263] Indonesia K002292417 Yes
Hooker [s.n.] India K003066756 Yes
Thwaites [CV3931] Sri Lanka K003066777 Yes
Womersley, J.S. [s.n.] Papua New Guinea K002292405 Yes
Elmer, A.D.E. [8306] Philippines K002292140 Yes
Abd.Rahim; et al. [SAN101821] Malaysia K002291737 Yes
Aet; Idjan; Idjan; Van Dyk, L.J. [650] Indonesia K002292430 Yes
Hooker, J.D.; Thomson [420] India K003066743 Yes
Clarke, C.B. [5468] India K003066760 Yes
Kerr, A.F.G. [19535] Thailand K000467153 Yes
Kerr, A.F.G. [19535] Thailand K000467191 Yes
s.coll. [s.n.] India K003066724 Yes
Herb Griffith [6218] India K003066716 Yes
Docters van Leeuwen, W.M. [11190] Indonesia K002292421 Yes
Simpson, D.A.; Marsh, M. [2610] Brunei K002291721 Yes
Kuswata; Soepadmo [89] Indonesia K002291756 Yes
Dewol; Mansus [SAN67485] Malaysia K002291745 Yes
s.coll. [243] India K003066741 Yes
Gamble, J.S. [9610] India K003066738 Yes
van Royen, P. [3219] Indonesia K002292407 Yes
Cuming [445] Philippines K002292151 Yes
Gardner, R.O. [9655] Papua New Guinea K002292403 Yes
Khan, M.S. [504] Bangladesh K003066719 Yes
Lam, H.J. [808] Indonesia K002292419 Yes
Lau, S.K. [347] China K003065044 Yes
Hooker, J.D.; Thomson, T. [386] India K003066744 Yes
Wong, K.M. [WKM1748] Brunei K002291720 Yes
Hildebrandt, J.M. [1739] Madagascar K002955576 Yes
s.coll. [6162] Burma K003066771 Yes
s.coll. [6130] India K003066736 Yes
Brass, L.J. [25933] Papua New Guinea K002292432 Yes
Clarke, C.B. [42993] India K003066753 Yes
Aet; Lundquist, E. [654] Indonesia K002292416 Yes
Matuda, E. [2553] Mexico K003726064 Yes
Copeland, E.B. [29[L]] Philippines K002292147 Yes
Borden, T.E. [24087] Philippines K002292160 Yes
Sands, M.J.S.; Bat, S.; Fikir, S. [5526] Brunei K002291723 Yes
s.coll. [6164/1] India K003066773 Yes
Waterhouse, J.H.L. [123 B] Solomon Islands K002294937 Yes
Richards [4953] Zambia K003728875 Yes
Vink, W. [BW15337] Indonesia K002292415 Yes
Saldanha, C.J. [14218] India K003066774 Yes
Kostermans, A. [6860] Indonesia K002291712 Yes
Khan, M.S. [1181] Pakistan K003066763 Yes
Gutierrez; et al. [755] Philippines K002292156 Yes
s.coll. [13397] Congo, Democratic Republic of the K002358966 Yes
Middleton, D.J.; Namdang, R.; Pooma, R.; Suddee, S.; Suwanachat, S.; Williams, K. [2424] Thailand K000467171 Yes
Abdul, K.B. [A2864] K002291731 Yes
Meebold, A.E. [7646] India K003066758 Yes
Hook, f.; Thomson [1902] India K003066745 Yes
Hollrung, M. [608] Papua New Guinea K002292434 Yes
Barber [327] K002291711 Yes

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    • Copyright applied to individual images