Polygonaceae
Coastal jointweed
Polygonella articulata
- Family
- Polygonaceae
- Genus
- Polygonella
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Common names
By language (2)
- English
- Coastal jointweed
- German
- Delopyrum articulatum
Synonyms
- Polygonella articulata f. articulata
- Polygonum articulatum L.
Flowers
- In flower
- September (from 308 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Tom Norton, CC BY 4.0, from iNaturalist 
FlowerPhoto: Daniel Atha, CC0, from iNaturalist 
FlowerPhoto: Dawn Nelson, CC BY 4.0, from iNaturalist 
FlowerPhoto: Tom Field, CC BY 4.0, from iNaturalist 
FlowerPhoto: aarongunnar, CC BY 4.0, from iNaturalist 
Photo: Tom Norton, CC BY 4.0, from iNaturalist 
Photo: Zihao Wang, CC BY 4.0, from iNaturalist 
Photo: Bonnie Semmling, CC BY 4.0, from iNaturalist 
Photo: K.McKeon, CC0, from iNaturalist 
Photo: Sean Rigney, CC BY 4.0, from iNaturalist 
Photo: Brandon Corder, CC BY 4.0, from iNaturalist 
Photo: Cy Stavros, CC BY 4.0, from iNaturalist
More in Polygonella
- Southern jointweedPolygonella americanaPolygonaceae
- Florida jointweedPolygonella basiramiaPolygonaceae
- Small's jointweedPolygonella myriophyllaPolygonaceae
- Largeflower jointweedPolygonella robustaPolygonaceae
- October flowerPolygonella polygamaPolygonaceae
- Sandhill jointweedPolygonella fimbriataPolygonaceae
- Tall jointweedPolygonella gracilisPolygonaceae
- Largeleaf jointweedPolygonella macrophyllaPolygonaceae
- Hairy jointweedPolygonella ciliataPolygonaceae
- Parks' jointweedPolygonella parksiiPolygonaceae
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.