Denseflower knotweed
Persicaria glabra (Willd.) M.Gómez

Persicaria glabra (Willd.) M.Gómez is a species in the Polygonaceae family, commonly known as Denseflower knotweed. It is native to North America and Eurasia and has a wide distribution, including regions such as Alabama, Arkansas, Belgium, Bangladesh, Brazil, and China. First published in 1896, it is recognized for its flowering characteristics and is part of the genus Persicaria.
Description
Persicaria glabra is a flowering plant in the buckwheat family, Polygonaceae. It is commonly referred to as Denseflower knotweed and is found across various regions globally, including parts of North America, South America, Europe, and Asia. The species was first described in 1896 and is part of the genus Persicaria. Its distribution spans from the United States to countries in South America, South Asia, and Southeast Asia, as well as parts of Europe and the Caribbean. The plant is known for its dense flowering and is part of a widely distributed genus within the Polygonaceae family.
Other common names
Denseflower knotweedsmooth smartweed
Distribution
TW · Global · Hawaii · Belgium · Flemish Region · Alabama · Argentina Northeast · Argentina Northwest · Arkansas · Assam · Bangladesh · Bolivia · Brazil Southeast · Brazil South · Brazil West-Central · Cayman Is. · Central African Repu · China South-Central · China Southeast · Colombia · Cook Is. · Cuba · Delaware · Dominican Republic · East Himalaya · Ethiopia · Florida · French Guiana · Georgia · Great Britain
Synonyms
Persicaria portoricensisPolygonum portoricensePolygonum densiflorumPolygonum glabrumPersicaria densiflora