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(First upload on October 26 2009. Last on May 30 2023) [ 日本語 | English ]

Polygonum L. (タデ) Himetsurusoba (ヒメツルソバ, 姫蔓蕎麦), pink pinheads and pinkhead smartweed Lifeform: stoloniferous perennial forb Distribution: Himalayas → exotic to Japan (introduced in Meiji Era for using rock garden) Habitat: escaped from gardens, recently found in the city of Sapporo

Use: for rock garden and groundcover introduced after Meiji Era Synonyms Cephalophilon capitatum (Buch.-Ham. ex D. Don) Tzvelev Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross

Polygonum capitatum in Japan

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[1] along a street to go Kanda myoujin Shrine near Ochanomizu station, Tokyo, on December 15 2018. [2] at Rakuju-en Garden, Mishima, on November 18 2009. [3] at Sapporo Factory Atrium on April 21 2023. [4] at a small flower garden along a paved raod near the Guest House in Akasaka, Tokyo, on November 14 2014. [5] at a roadside near the Nakasu Street of Kagoshima City, southern Kyushu, on March 21 2015. [6] near a cemetery (Koumyoujoen (光明浄苑), Machida City, Tokyo, on December 10 2017.