Cyperaceae

Smooth flatsedge

Cyperus laevigatus L.

Family: Cyperaceae
Genus: Cyperus

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Smooth flatsedge (Cyperus laevigatus) — FlowerPhoto: Nicola van Berkel, CC BY-SA 4.0, from iNaturalist

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Common names

By language (5)

Arabic: سعد ناعم
arz: سعد ناعم
Czech: Šáchor hladký
English: Smooth flatsedge
French: Souchet à deux épis

Synonyms

Acorellus laevigatus (L.) Palla
Chlorocyperus laevigatus (L.) Palla
Cyperus laevigatus f. viridulus (Boeck.) C.B.Clarke
Cyperus laevigatus var. laevigatus
Cyperus laevigatus var. viridulus (Boeck.) Kük.
Cyperus monostachyus Link
Cyperus mucronatus Rottler
Juncellus laevigatus (L.) C.B.Clarke
Pycreus laevigatus (L.) Nees

Flowers

In flower: December to March (from 15 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Hawaii: native, Lower 48 states: native, Puerto Rico: native, U.S. Virgin Islands: native

Photos

FlowerPhoto: Nicola van Berkel, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Nicola van Berkel, CC BY-SA 4.0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Sonny Gamponia, CC0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: alexisk1234, CC0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Andreas De Beer, CC BY 4.0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Christina, CC BY 4.0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Andre Hosper, CC BY 4.0, from iNaturalist

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.