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(Upload on June 17 2024) [ 日本語 | English ]

Polygonum L. (タデ) O-tsuru-itadori (オオツルイタドリ, 大蔓虎杖), toothed-wing knotweed Lifeform: twining, annual forb Distribution: Amur - Korea - Sakhalin (possibly native) Habitat: disturbed sites, such as roadsides, wastelands and riversides Hokkaido Blue List: B

Synonyms Fallopia dentatoalata (F. Schmidt) Holub, commonly used Polygonum scandens L. var. dentatoalatum (F. Schmidt) Maxim. ex Franch. et Sav. Bilderdykia dentatoalata (F. Schmidt) Kitag.

Polygonum dentatoalatum in Hokkaido

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[1-3] at a small flower garden beside a building in N22/W4, North Ward, Sapporo. [1/2] on June 5 2024. [3] on May 27 2024. [4/5] on Jue 10 2024.