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(Upload on February 20 2012) [ 日本語 | English ]

Polygonum L. (タデ) Akinomichiyanagi (アキノミチヤナギ, 秋ノ道柳), equal-leaved knotgrass Lifeform: annual forb Distribution: Ussuri - Korea - Japan Habitat: usually on coastside Chromosome number: 2n = 20 ro 40 Synonyms: Polygonum tatewakianum Koji Ito

Polygonum polyneuron in Hokkaido

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1 2 3
[1/2] in Zenibako Coast on August 31 2011. [3] on the slope of Yu-Kun (K-1) crater in Konpira Craters, Mount Usu, on July 16 2003. The specimen is kept in SAPS.