Polygonaceae

Polygonum thunbergii Siebold & Zucc.

Family: Polygonaceae
Genus: Polygonum

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Polygonum thunbergii: Persicaria thunbergii in Incheon, Korea — Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (3)

Chinese: 戟叶蓼, 戟葉蓼, 水麻芴, 中华蓼
Japanese: ミゾソバ
Korean: 고마리

Synonyms

Helxine arifolia Raf.
Persicaria hastato-triloba (Meisn.) Okuyama
Persicaria sinica Migo
Persicaria thunbergii (Siebold & Zucc.) H.Gross
Persicaria thunbergii var. stolonifera (F.Schmidt) H.Gross ex Nakai
Polygonum arifolium Thunb.
Polygonum hastatotrilobum Meisn.
Polygonum pteropus Hance
Polygonum sinicum (Migo) Fang & Zheng
Polygonum stellatotomentosum W.W.Sm. & Ramaswami
Polygonum stoloniferum F.Schmidt
Polygonum thunbergii var. stoloniferum (F.Schmidt) Makino
Tracaulon thunbergii (Siebold & Zucc.) Greene
Truellum thunbergii (Siebold & Zucc.) Soják

Flowers

In flower: September to October (from 184 flowering iNaturalist observations worldwide)

Photos

Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons
Photo: Yasunori Koide, CC BY-SA 3.0, from Wikimedia Commons
Photo: Dalgial, CC BY 3.0, from Wikimedia Commons
Photo: yamatsu, CC0, from Wikimedia Commons
Photo: harum.koh from Kobe city, Japan, CC BY-SA 2.0, from Wikimedia Commons
Photo: Alpsdake, CC BY-SA 4.0, from Wikimedia Commons
Photo: えだ2, CC BY-SA 4.0, from Wikimedia Commons

More in Polygonum

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.