Cyperaceae
Uniola flatsedge
Cyperus unioloides
- Family
- Cyperaceae
- Genus
- Cyperus
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Common names
By language (2)
- Chinese
- 禾状扁莎, 水社扁莎, 浙江扁莎, 禾狀扁莎
- English
- Uniola flatsedge
Synonyms
- Cyperus angulatus Nees
- Cyperus bromoides Link
- Cyperus lanceus F.Muell.
- Cyperus luteolus Boeckeler
- Cyperus overlaetii (Cherm. ex S.S.Hooper & J.Raynal) Lye
- Cyperus selloanus Boeckeler
- Cyperus spinuliferus Boeckeler
- Cyperus spissiflorus (C.B.Clarke) K.Schum.
- Cyperus taubertii Boeckeler
- Cyperus tosaensis Makino
- Cyperus unioloides f. insularis (Domin) Kük.
- Cyperus unioloides f. pallescens Kük.
- Cyperus unioloides f. reductus Kük.
- Cyperus unioloides var. bromoides (Link) C.B.Clarke
- Cyperus unioloides var. compositus T.Koyama
- Cyperus unioloides var. fissivaginatus Kük.
- Cyperus unioloides var. wightii C.B.Clarke
- Pycreus angulatus (Nees) Nees ex C.B.Clarke
- Pycreus angulatus f. bromoides (Link) Lindm.
- Pycreus angulatus var. wightii Nees ex C.B.Clarke
- Pycreus chekiangensis Tang & F.T.Wang
- Pycreus flavescens subsp. laevinux Lye
- Pycreus overlaetii Cherm. ex S.S.Hooper & J.Raynal
- Pycreus spissiflorus C.B.Clarke
- Pycreus umbrosiformis Cherm.
- Pycreus unioloides (R.Br.) Urb.
- Pycreus unioloides var. angulatus (Nees) Domin
- Pycreus unioloides var. compositus (T.Koyama) N.K.Khoi
- Pycreus unioloides var. insularis Domin
- Pycreus unioloides var. typicus Domin
- Pycreus unioloides var. wightii (Nees ex C.B.Clarke) Karthik.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced, Puerto Rico: native
Photos

Photo: aaliyahm, CC BY-SA 4.0, from Wikimedia Commons
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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.