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(First upload on October 22 2016. Last on October 2 2023) [ 日本語 | English ]

Carex L. (スゲ) Section Laxiflorae (Depauperatae, タマツリスゲ) C. parciflora Boott (グレーンスゲ, s.l.) Life form: perennial sedge var. parciflora (グレーンスゲ), the type Distribution: Sakhalin - Japan (Japan Sea side of Honshu, Hokkaido) - Kuril Habitat: mesic forests and grasslands Chromosome number: 2n = 38-40, 42, 44, 46, or 48 Synonyms: Carex jackiana Boott ssp. parciflora (Boott) Kük. var. macroglossa (Franch. et Sav.) Ohwi

Kojuzusuge (コジュズスゲ, 小数珠菅), carpet sedge Distribution: Korea - Japan (Honshu - Hokkaido) Habitat: mesic forests Synonyms: Carex jackiana Boott ssp. macroglossa (Franch. et Sav.) T. Koyama Carex jackiana Boott ssp. parciflora (Boott) Kuk. var. macroglossa (Franch. et Sav.) Kuk. ex Matsum. Carex macroglossa Franch. et Sav., often used f. subsessilis (Ohwi) Ohwi (ムギスゲ) var. tsukudensis T. Koyama (ヒロハノコジュズスゲ)

var. vaniotii (H. Lév.) Ohwi (ナガボノコジュズスゲ)

Carex parciflora in Hokkaido

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var. parciflora (グレーンスゲ)

1 2 3
[1] in West Tomioka Park (富丘西公園), Sapporo, on May 21 2022. [2/3] along a forest road in Shimokawa Town, northern Hokkaido, on May 27 2016.

var. macroglossa (Franch. et Sav.) Ohwi (コジュズスゲ)

1 2 3
4 5
[1/2] at the western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. [3] close to Oi Pier Seaside Park, Tokyo, on June 3 2016. [4/5] on Mount Okobachi (於古発山), where the Otaru-Yoichi wind farm was planned, observed on June 15 2023.