Polygonaceae

Persicaria dichotoma (Blume) Masam.

Family: Polygonaceae
Genus: Persicaria

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Persicaria dichotoma (Persicaria dichotoma) — FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist

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Common names

By language (2)

Chinese: 二歧蓼, 水紅骨蛇
Japanese: ナツノウナギツカミ

Synonyms

Persicaria peduncularis Wall. ex Meisn.
Polygonum dichotomum Blume
Polygonum pedunculare Wall. ex Meisn.
Polygonum strigosum var. pedunculare (Wall. ex Meisn.) Steward
Polygonum tetragonum Blume
Tracaulon pedunculare Greene
Tracaulon tetragonum Greene
Truellum dichotomum (Blume) Soják

Flowers

In flower: February to May, October, December (from 19 flowering iNaturalist observations worldwide)

Photos

FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Richard Fuller, CC0, from iNaturalist
FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: chiuluan, CC BY 4.0, from iNaturalist
FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons
Photo: 葉子, CC0, from iNaturalist
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons
Photo: Scott W. Gavins, CC BY 4.0, from iNaturalist
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons
Photo: Greg Tasney, CC BY-SA 4.0, from iNaturalist
Photo: Greg Tasney, CC BY-SA 4.0, from iNaturalist

More in Persicaria

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.