Cyperaceae
Yellow flatsedge
Cyperus flavidus
- Family
- Cyperaceae
- Genus
- Cyperus
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Common names
By language (4)
- Chinese
- 球穗扁莎, 小球穗扁莎, 直球穗扁莎, 矮球穗扁莎
- English
- Yellow flatsedge
- French
- Souchet Jaune
- Japanese
- アゼガヤツリ
Synonyms
- Chlorocyperus globosus (Rchb.) Palla
- Chlorocyperus nilagiricus (Hochst. ex Steud.) Rikli
- Cyperus ater Dalzell & A.Gibson
- Cyperus atroferrugineus Steud.
- Cyperus capillaris J.Koenig ex Roxb.
- Cyperus complanatus C.Presl
- Cyperus confertus Lam.
- Cyperus curvatus Vahl
- Cyperus divaricatus Lam.
- Cyperus fascicularis DC.
- Cyperus flavidus var. erectus (C.B.Clarke) Korlah.
- Cyperus flavidus var. khasianus (C.B.Clarke) Korlah.
- Cyperus flavidus var. nilagiricus (Hochst. ex Steud.) Korlah.
- Cyperus flavidus var. strictus (C.B.Clarke) Korlah.
- Cyperus fuscoater Meinsh. ex Korsh.
- Cyperus globosus All.
- Cyperus globosus f. brevifolius Marcet
- Cyperus globosus f. cinnamomeus C.B.Clarke
- Cyperus globosus f. depauperatus Kük.
- Cyperus globosus f. fuscoater (Meinsh. ex Korsh.) Kük.
- Cyperus globosus f. khasianus C.B.Clarke
- Cyperus globosus f. minimus Kük.
- Cyperus globosus f. pauperior (Boeckeler) Kük.
- Cyperus globosus f. tortuosus (J.Koenig ex Roxb.) C.B.Clarke
- Cyperus globosus prol. bubanii (Debeaux) Rouy
- Cyperus globosus subsp. cymosus (Willk.) K.Richt.
- Cyperus globosus subsp. humifusus (Clemente) K.Richt.
- Cyperus globosus var. bubanii Debeaux
- Cyperus globosus var. cymosus Willk.
- Cyperus globosus var. erectus (C.B.Clarke) Kük.
- Cyperus globosus var. genuinus Willk.
- Cyperus globosus var. humifusus (Clemente) Roem. & Schult.
- Cyperus globosus var. khasianus (C.B.Clarke) Kük.
- Cyperus globosus var. nilagiricus (Hochst. ex Steud.) C.B.Clarke
- Cyperus globosus var. strictus C.B.Clarke
- Cyperus globosus var. submonocephalus Boeckeler
- Cyperus globosus var. tortuosa (J.Koenig ex Roxb.) C.B.Clarke
- Cyperus horizontalis Willd. ex Kunth
- Cyperus humifusus Clemente
- Cyperus jungendus Steud.
and 33 more.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual, Perennial
- In the US and Canada
- Pacific Basin: introduced
Photos
FlowerPhoto: chiuluan, CC BY 4.0, from iNaturalist 
FlowerPhoto: chiuluan, CC BY 4.0, from iNaturalist 
FlowerPhoto: chiuluan, CC BY 4.0, from iNaturalist 
FlowerPhoto: chiuluan, CC BY 4.0, from iNaturalist 
FlowerPhoto: Cheng-Te Hsu, CC BY 4.0, from iNaturalist 
FruitPhoto: chiuluan, CC BY 4.0, from iNaturalist 
Photo: harum.koh from Kobe city, Japan, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Pranesh Lokhande, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Mason Brock, CC0, from iNaturalist 
Photo: Keisotyo, CC0, from Wikimedia Commons 
Photo: Keisotyo, CC0, from Wikimedia Commons 
Photo: S.MORE, CC0, from iNaturalist
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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.