Polygonaceae
Stout smartweed
Persicaria robustior
- Family
- Polygonaceae
- Genus
- Persicaria
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Common names
By language (1)
- English
- Stout smartweed
Synonyms
- Persicaria punctata var. robustior (Small) Small
- Polygonum punctatum var. majus (Meisn.) Fassett
- Polygonum punctatum var. robustius Small
- Polygonum robustius (Small) Fernald
Flowers
- In flower
- August to October (from 16 flowering iNaturalist observations worldwide)
Photos
FlowerPhoto: Samuel A Schmid, PhD, PWS, CC BY 4.0, from iNaturalist 
FlowerPhoto: George Williams, CC BY 4.0, from iNaturalist 
FlowerPhoto: bobkennedy, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: grace buckles, CC0, from iNaturalist 
Photo: Daniel Atha, CC0, from iNaturalist 
Photo: Daniel Atha, CC0, from iNaturalist 
Photo: Zihao Wang, CC BY 4.0, from iNaturalist 
Photo: Daniel Atha, CC0, from iNaturalist 
Photo: Daniel Atha, CC0, from iNaturalist 
Photo: Joseph McPhail, CC BY 4.0, from iNaturalist 
Photo: alicia penney, CC BY 4.0, from iNaturalist 
Photo: Daniel Atha, CC0, from iNaturalist
More in Persicaria
- Water-pepperPersicaria hydropiperPolygonaceae
- Red shankPersicaria maculosaPolygonaceae
- Common bistortPersicaria bistortaPolygonaceae
- Amphibious bistortPersicaria amphibiaPolygonaceae
- Curlytop knotweedPersicaria lapathifoliaPolygonaceae
- Small water-pepperPersicaria minorPolygonaceae
- Pink bubble persicariaPersicaria capitataPolygonaceae
- Chinese knotweedPersicaria chinensisPolygonaceae
- Persicaria orientalisPolygonaceae
- Tasteless water-pepperPersicaria mitisPolygonaceae
- Persicaria tinctoriaPolygonaceae
- Denseflower knotweedPersicaria glabraPolygonaceae
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.