Cyperaceae
Javanese flatsedge
Cyperus javanicus
- Family
- Cyperaceae
- Genus
- Cyperus
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Common names
By language (3)
- Chinese
- 羽状穗砖子苗, 羽狀穗磚子苗
- English
- Javanese flatsedge
- Tongan
- Mahelehele
Synonyms
- Cyperus anomalus Steud.
- Cyperus canescens Vahl
- Cyperus caricifolius Hook. & Arn.
- Cyperus firmus J.Presl & C.Presl
- Cyperus fucatus Boeckeler
- Cyperus holciflorus J.Presl & C.Presl
- Cyperus macreilema Steud. ex Jard.
- Cyperus ovatus Llanos
- Cyperus owahuensis Nees
- Cyperus parviflorus Vahl
- Cyperus pennatus Lam.
- Cyperus pinnatus A.Rich.
- Cyperus spongiosocoriaceus Boeckeler
- Cyperus stigmatosus Steud.
- Cyperus stuppeus G.Forst.
- Cyperus taitensis Steud.
- Cyperus tongatabuensis Boeckeler
- Cyperus valdiviae Steud.
- Cyperus ventricosus R.Br.
- Duval-jouvea pennata (Lam.) Palla
- Mariscus albescens Gaudich.
- Mariscus javanicus (Houtt.) Merr. & F.P.Metcalf
- Mariscus pennatus (Lam.) Domin
- Mariscus pennatus var. ventricosus (R.Br.) Domin
- Mariscus stuppeus (G.Forst.) Merr.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Hawaii: introduced, Pacific Basin: native
Photos

Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Tauʻolunga, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons
More in Cyperus
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- Brown galingaleCyperus fuscusCyperaceae
- Tall flatsedgeCyperus eragrostisCyperaceae
- Variable flatsedgeCyperus difformisCyperaceae
- GalingaleCyperus longusCyperaceae
- Cyperus capitatusCyperaceae
- Ricefield flatsedgeCyperus iriaCyperaceae
- Jointed flatsedgeCyperus articulatusCyperaceae
- Pygmy sedgeCyperus michelianusCyperaceae
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.