Cyperaceae

Yellow flatsedge

Cyperus flavescens L.

Family: Cyperaceae
Genus: Cyperus

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Common names

By language (13)

Belarusian: Сітоўнік жаўтаваты
Catalan: Souchet jaunâtre
Czech: Šáchor žlutavý
Dutch: Geel cypergras
English: Yellow flatsedge, Yellow galingale
French: Souchet jaunâtre
German: Gelbliches Zypergras, Souchet jaunâtre
hsb: Nažołty cachor
Kazakh: Сарғылт қоғашық
Lithuanian: Souchet jaunâtre, Gelsvoji viksvuolė
Polish: Cibora żółta
Russian: Ситовник желтоватый, Ситовничек желтеющий
Swedish: Souchet jaunâtre

Synonyms

Chlorocyperus abyssinicus (Hochst. ex A.Rich.) Rikli
Chlorocyperus flavescens (L.) Rikli
Chlorocyperus intermedius Rikli
Cyperus abyssinicus Hochst. ex A.Rich.
Cyperus durandii Boeckeler
Cyperus eragrostis C.Krauss
Cyperus fallaciosus (Cherm.) Raymond
Cyperus flavens Pall.
Cyperus flavescens f. abyssinicus (Hochst. ex A.Rich.) Kük.
Cyperus flavescens f. caucasicus K.Koch
Cyperus flavescens f. compactus Asch. & Graebn.
Cyperus flavescens f. fontanesii (Kunth) Kük.
Cyperus flavescens f. gracillimus Asch. & Graebn.
Cyperus flavescens f. major Lojac.
Cyperus flavescens f. minor Gaudin
Cyperus flavescens f. monostachyus Sacc.
Cyperus flavescens f. paraensis (Nees) Kük.
Cyperus flavescens f. setaceus Kük.
Cyperus flavescens subsp. fallaciosus (Cherm.) Lye
Cyperus flavescens subsp. intermedius (Rikli) Lye
Cyperus flavescens subsp. microglumis (Lye) Lye
Cyperus flavescens subsp. tanaensis (Kük.) Lye
Cyperus flavescens subvar. mohrii Farw.
Cyperus flavescens var. abyssinicus (Hochst. ex A.Rich.) C.B.Clarke
Cyperus flavescens var. castaneus (Lye) Lye
Cyperus flavescens var. fontanesii (Kunth) C.B.Clarke
Cyperus flavescens var. gussonei (Gasp. ex Guss.) Nyman
Cyperus flavescens var. paraensis (Nees) Boeckeler
Cyperus flavescens var. piceus (Liebm.) Fernald
Cyperus flavescens var. poiformis (Pursh) Fernald
Cyperus flavescens var. pygmaeus Goiran
Cyperus flavescens var. rehmannianus (C.B.Clarke) Kük.
Cyperus fontanesii Kunth
Cyperus gussonei Gasp. ex Guss.
Cyperus intermedius Steud.
Cyperus ligusticus Gand.
Cyperus melanostachyus Walp.
Cyperus nieuwlandii Geise
Cyperus obtusiusculus Gand.
Cyperus pallidus Kit. ex Kanitz

and 45 more.

Flowers

Flower colour: red (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Annual
In the US and Canada: Canada: native, Lower 48 states: native, Puerto Rico: native

Photos

Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 3.0, from Wikimedia Commons
Photo: Radio Tonreg from Vienna, Austria, CC BY 2.0, from Wikimedia Commons
Photo: Mathieu MENAND, CC BY-SA 2.0, from Wikimedia Commons
Photo: Sylvain POUVARET, CC BY-SA 2.0, from Wikimedia Commons
Photo: Michel CANTAGREL, CC BY-SA 2.0, from Wikimedia Commons
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons
Photo: Marie PORTAS, CC BY-SA 2.0, from Wikimedia Commons
Photo: Marie-Reine DUBOIS, CC BY-SA 2.0, from Wikimedia Commons
Photo: Andrea Moro, CC BY-SA 3.0, from Wikimedia Commons
Photo: Andrea Moro, CC BY-SA 3.0, from Wikimedia Commons
Photo: Andrea Moro, CC BY-SA 3.0, from Wikimedia Commons

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.