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Cyperaceae

Pacific island flatsedge

Cyperus cyperoides (L.) Kuntze

Family
Cyperaceae
Genus
Cyperus

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Pacific island flatsedge: Cyperus cyperoides (Cyperaceae) Japanese name:Inukugu：イヌクグ Date;2008,10.25;Tanabe City, Wakayama prefecture, Japan Author;Keisotyo
Photo: No machine-readable author provided. Keisotyo assumed, CC BY 3.0, from Wikimedia Commons

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Common names

By language (3)
Chinese
砖子苗, 磚子苗, 假香附, 大香附子, 复出穗磚子苗, 小穗磚子苗, 展穗磚子苗
English
Pacific island flatsedge, Common Flat Sedge, Pacific island flatsedge
Japanese
イヌクグ

Synonyms

  • Cyperus biglumis C.B.Clarke
  • Cyperus corynephorus Lock
  • Cyperus cylindrostachys var. subcompositus (C.B.Clarke) Skottsb.
  • Cyperus cylindrostachyus var. subcompositus (C.B.Clarke) Skottsb.
  • Cyperus cyperoides subsp. cyperoides
  • Cyperus cyperoides subsp. flavus Lye
  • Cyperus cyperoides var. aureus Peter ex Kük.
  • Cyperus cyperoides var. brevispicatus Kük.
  • Cyperus cyperoides var. clarkei (Turrill ex Craib) Kük.
  • Cyperus cyperoides var. evolutior (C.B.Clarke) Kük.
  • Cyperus cyperoides var. khasianus (C.B.Clarke) Kük.
  • Cyperus cyperoides var. microstachys Kük.
  • Cyperus cyperoides var. nossibeensis (Steud.) Kük.
  • Cyperus cyperoides var. ovalis Kük.
  • Cyperus cyperoides var. polyphyllus Kük.
  • Cyperus cyperoides var. repens Kük.
  • Cyperus cyperoides var. subcompositus (C.B.Clarke) Kük.
  • Cyperus flexifolius Boeckeler ex Reinecke
  • Cyperus konkanensis T.Cooke
  • Cyperus linctus G.Forst.
  • Cyperus macrocarpus var. humbertii (Cherm.) Kük.
  • Cyperus macrocarpus var. submacrocarpus Kük.
  • Cyperus manilensis Boeckeler ex Warb.
  • Cyperus nossibeensis K.Schum.
  • Cyperus sieberianus (Nees ex Steud.) K.Schum.
  • Cyperus steudelianus Boeckeler
  • Cyperus subumbellatus Kük.
  • Cyperus subumbellatus var. sessilispicatus Kük.
  • Cyperus subumbellatus var. subglobosus Kük.
  • Cyperus subumbellatus var. thomensis (C.B.Clarke) Kük.
  • Cyperus thomensis (C.B.Clarke) Marais
  • Cyperus umbellatus Roxb.
  • Cyperus umbellatus Benth.
  • Cyperus umbellatus var. laxiflora Benth.
  • Kyllinga biglumis (Gaertn.) Steud.
  • Kyllinga sumatrensis Retz.
  • Kyllinga umbellata Rottb.
  • Kyllinga umbellata var. sumatrensis (Retz.) Willd.
  • Lipocarpha mangarevica H.St.John
  • Mariscus alternifolius Vahl

and 38 more.

Characteristics

Growth habit
Graminoid
Lifespan
Perennial
In the US and Canada
Hawaii: introduced

Photos

More in Cyperus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.