Polygonaceae
Fleece flower
Polygonum affine
- Family
- Polygonaceae
- Genus
- Polygonum
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Common names
By language (7)
- Cebuano
- Bistorta affinis
- Chinese
- 密穗蓼, 密穗拳参
- English
- Fleece flower, Himalayan bistort
- German
- Bistorta affinis
- Spanish
- Bistorta affinis
- Swedish
- Bergormrot
- war
- Bistorta affinis
Synonyms
- Persicaria affinis (D.Don) Ronse Decr.
- Polygonum donianum Spreng.
Flowers
- In flower
- July to August (from 64 flowering iNaturalist observations worldwide)
Photos
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Agnieszka Kwiecień, Nova, 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). About our plant data.