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(First upload on October 3 2023. Last on September 25 2024) [ 日本語 | English ]

Cyperus L. (カヤツリグサ) Inukugu (イヌクグ, 犬莎草), Pacific island flatsedge Life form: perennial sedge ≈ 30-80 cm tall, treated as a weed Distribution: Africa - India - China - Indonesia - Taiwan - southern Korea - Japan (south to Kanto District, Kinki and Chugoku Districts) Habitat: dry grassland in lowlands

Chromosome number: 2n = 82, 88, 134, 220 or 224 Synonyms: Mariscus umbellatus Vahl Mariscus sumatrensis (Retz.) J. Raynal Mariscus cyperoides (L.) Urb.

Cyperus cyperoides in Japan

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[1-3] at a viewspot to see Fudeshima Island in Izu-Oshima Island (伊豆大島) on June 7 2023. [4-6] in the backyard of the office building for Wakayama Experimental Forest of Hokkaido University, western Japan, on June 25 2024.