Polygonaceae

Largeflower jointweed

Polygonella robusta (Small) G.L.Nesom & V.M.Bates

Family: Polygonaceae
Genus: Polygonella

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Largeflower jointweed: Citizen of the sandy oak scrub at the north end of Frenchman's Forest Natural Area. This imperiled plant is endemic to Florida. The flowers vary from snow white — Photo: Bob Peterson, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)

English: Largeflower jointweed

Synonyms

Polygonella fimbriata var. robusta (Small) Horton
Thysanella robusta Small

Characteristics

Growth habit: Subshrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

Photo: Bob Peterson, CC BY-SA 2.0, from Wikimedia Commons

More in Polygonella

Southern jointweedPolygonella americanaPolygonaceae
Florida jointweedPolygonella basiramiaPolygonaceae
Small's jointweedPolygonella myriophyllaPolygonaceae
Coastal jointweedPolygonella articulataPolygonaceae
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.