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(First upload on Septermber 23 2011. Last on July 7 2024) [ 日本語 | English ]

Carex rhynchophysa C. A. Meyer.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Carex L. (スゲ)
Section Vesicariae
O-kasasuge (オオカサスゲ, 大笠菅), northwest territory sedge
Life form: deciduous, perennial sedge < 100 cm
Distribution: Eurasia - North America, including Japan (north to central Honshu and Hokkaido)

Red Data Book: critically endangered (IA, CR)

Habitat: fenwetland (湿原)

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Male spike = 3-7 on the top ↔ C. dispalata = 1
Chromosome number: 2n = 74, 80 or 82
Synonyms:

Carex utriculata Boott

索引

Carex rhynchophysa in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
ST7 ST8
[1] at O-no Pond close to Faculty of Engineer, Hokkaido University. [1] on July 15 2011. [2] in Utasai Wetland (歌才湿原), southern Hokkaido, on May 21 2024. [3/4] at Meakan-Onneto Natural Forest, eastern Hokkaido, on June 25 2013. [5/6] along a stream near Onnenai Visitor Center in Kushiro Moor, eastern Hokkaido, on July 2 2014. [7/8] in the experimental station of medicinal plant studies, Hokkaido University, on July 18 2019. Records: flowering at O-no Pond on June 3 2013.

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