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(First upload on November 4 2011. Last on July 15 2014) [ 日本語 | English ]

Polygonum L. (タデ) Ishimikawa (イシミカワ, 石見川/石実皮/石膠), mile-a-minute weed Lifeform: annual forb (trailer) Distribution: east Asia, including Japan Habitat: sunny and wet sites

Field training on integrated environmental research (統合環境調査法実習) (出現種リスト) Synonyms Persicaria perfoliata (L.) H. Gross Chylocalyx perfoliatus (L.) Hassk. ex Miq. Truellum perfoliatum (L.) Sojak

Polygonum perfoliatum in Hokkaido

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4 5
[3] close-up of a stem. [4] close-up of (immature) fruits. [1-3] at Zenibako Coast (銭函海岸), Otaru City, on August 31 2011. [4/5] at a backyard of a facility of Kyushu University Experimental Forest in Ashoro Town, eastern Hokkaido, on June 6 2014.