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(First upload on December 13 2015. Last on October 31 2023) [ 日本語 | English ]

Polygonum L. (タデ) Sanaetade (サナエタデ, 早苗蓼), hedge cornbind Lifeform: annual forb Distribution: widespread in the Nothern Hemisphere Habitat: roadsides, crop fields, etc. Chromosome number: 2n = 22

Vein: 7-15 pairs → P. lapathifolium = 20-30 Flower: flowering from May to October Synonyms: Persicaria lapathifolia (L.) Delarbre var. incana (Rth) H. Hara, often used Persicaria scabra (Moench) Moldenke ☛ Another taxonomy

Polygonum scabrum in Hokkaido

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1 2 3
4 5 6
[1-4] at a wasteland near Ishikari Coast, where a wind power may be established, on September 3 2015. Here, numerous saplings of Populus nigra establihsed. [5/6] along Atsuma Coast (浜厚真), central Hokkaido, on August 5 2023.