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(First uupload on September 2 2015. Last on July 26 2020) [ 日本語 | English ]

Lysimachia L. (オカトラノオ) Okatorano-o (オカトラノオ, 丘虎尾/岡虎尾), gooseneck yellow loosestrife (USDA) Iousou (イオウソウ) Lifeform: erect perennial forb Distribution: China - Korea - Taiwan - Japan Habitat: sunny grasslands, such as on skislopes Field training on integrated environmental research (統合環境調査法実習) (出現種リスト)

Flower: white Inflorescence: indeterminate Chromosomee number: 2n = 24 Use: gardening, wild vegetable f. semiplena (Honda) H. Hara (ヤエトラノオ) Hybrid: L. barystachys Bunge × L. clethroides Duby (ノジオカトラノオ) L. barystachys (ノジトラノオ), not distributed in Hokkaido

Lysimachia clethroides in Hokkaido

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1 2 3
4 5
[1/2] on Usujiri skislope (臼尻スキー場), southern Hokkaido, on June 18 2015. [3/4] in a house garden, N17/W2, North Ward, Sapporo, on July 15 2019. [5] along Zenibako Coast (銭函海岸), where wind powers are estabished, on July 15 2020. Records: probably transplanted in Yachidamo Park, East Ward, Sapporo, on July 31 2021 and on August 10 2022.