Polygonaceae
Silver-sheath knotweed
Polygonum argyrocoleon
- Family
- Polygonaceae
- Genus
- Polygonum
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Common names
By language (4)
- Chinese
- 帚蓼, 帚萹蓄
- English
- Silver-sheath knotweed, Silversheath knotweed, Persian knotweed
- Finnish
- Persiantatar
- Spanish
- Canutillo
Synonyms
- Polygonum deciduum Boiss. & Noë
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Hawaii: introduced, Lower 48 states: introduced
Photos
Photo: Sula Vanderplank, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Linna Gurova, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Sue Carnahan, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Polygonum
- Yard knotweedPolygonum avicularePolygonaceae
- Oval-leaf knotweedPolygonum arenastrumPolygonaceae
- Polygonum maritimumPolygonaceae
- Asiatic tearthumbPolygonum perfoliatumPolygonaceae
- Bellard's smartweedPolygonum patulumPolygonaceae
- European knotweedPolygonum arenariumPolygonaceae
- Narrowleaf knotweedPolygonum bellardiiPolygonaceae
- Polygonum cognatumPolygonaceae
- Horse-tail knotweedPolygonum equisetiformePolygonaceae
- KnotweedPolygonum oxyspermumPolygonaceae
- Douglas' knotweedPolygonum douglasiiPolygonaceae
- Erect knotweedPolygonum erectumPolygonaceae
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); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.