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(Upload on December 4 2003. Last on May 31 2022) [ 日本語 | English ]

Drosera L. (モウセンゴケ) Mousengoke (モウセンゴケ, 毛氈苔), Roundleaf sundew (common sundew) Lifeform: short-lived, perennial forb Distribution (map): North America, South America, Europe, and Asia Habitat: nutrient-poor and sunny sites (wetlands (湿原), e.g., marshes, fens, and black spruce forest, and Sphagnum bogs / silty and boggy shorelines and wet sands / baregrounds on volcanoes) Flora on Mount Koma

Leaf: insectivorous leaf (捕虫葉), rosette Chromosome number: 2n = 20 var. gracilis Laest., small-leaved in Alaska

Mount Koma. The specimen was collected on the southwestern slope at ca 850 m in elevation on August 13 2000, and was stored in the Hokkaido University Herbarium (SAPS).

Drosera rotundifolia in Hokkaido

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Volcanoes

1 2
[1/2] Mount Tarumae on Juen 12 2008. [1] Carpet of D. rotundifolia. [2] close-up.

Wetlands

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1 2 3
4 5 6
[1/2] in a post-mined peatland, Sarobetsu mire, northern Hokkaido. [1] on July 13 2013. [2] on June 7 2005 by Hoyo (保要博士). [3] seed taken by a microscope (VHX-2000, KEYENCE/キーエンス), on April 21 2012. The seed was collected from a post-mined Sarobetsu mire by Hoyo. Compare to the seeds of D. anglica. [4/6] in Shizukari Wetland, southern Hokkaido. [4] on June 15 2015. [5/6] on July 7 2017. Records: in Abira wetland, central Hokkaido, on June 16 2020.

Drosera worldwide

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Western Australia, Australia
1	2	Sorry, all photos are a bit out of focus. No Japanese name (* ドラモンドコモウセンゴケ, 試訳 tentative translation) Drosera barbigera Planch. (Drummond pygmy sundew). This species is distributed only in Western Australia [1] on October 3 2003. [2] on October 2 2003.
1	2	No Japanese name (* キノボリモウセンゴケ, tentative translation) Drosera macrantha Endl. ssp. macrantha, climbing sundew or bridal rainbow sundew. Climbing plant. Many subspecies. [1] near New Norcia on October 2 2003. [2] on October 3 2003.
Queensland, Australia
1	2	Tsurugibamousengoke ツルギバモウセンゴケ (剣葉毛氈苔), lance-leaved sundew or Adelaide sundew Drosera adelae F. Muell. Distribution: endemic to Queensland [1/2] at Sakuya Konohana Kan (咲くやこの花館) located in Osaka, western Japan, on February 6 2022.
Africa
1	2	Afurikanagabanomousengoke (アフリカナガバノモウセンゴケ, 阿弗利加長葉ノ毛氈苔), Cape sundew Drosera capensis L. Lifeform: perennial forb Distribution: Cape in South Africa Habitat: marshes, along streams, permanent seeps or damp areas of fynbos [1/2] at Sakuya Konohana Kan (咲くやこの花館) located in Osaka, western Japan, on February 6 2022.