allseed
Polycarpon tetraphyllum (L.) L.

Polycarpon tetraphyllum, known as allseed, is an annual herb in the Caryophyllaceae family. It grows up to 15 cm tall and is found on sandy soils, coastal areas, and wasteland. Native to Europe, it has been naturalized in parts of North America, Australia, and other regions. It is rare in Britain, except on the Scilly Isles.
Description
Polycarpon tetraphyllum (L.) L. is a member of the Caryophyllaceae family and is commonly known as allseed. It is an annual herb that reaches a height of 15 cm. The plant is typically found in coastal areas, on sandy soils, and in wasteland. It is native to Europe and has been introduced and naturalized in parts of North America, Australia, and other regions. In Britain, it is considered rare, with the exception of the Scilly Isles where it is more commonly found. The species was first published in 1759 and is distributed across several regions, including the Azores, Rapa Nui - Easter Islands, Belgium, France, the Netherlands, and Great Britain.
Other common names
Fourleaf manyseedfour-leaved all-seedfour-leaf allseedfour-leaf manyseedallseedFour-leaved allseedFour Leaved Allseedfour-leaved manyseed
Distribution
BR · Corvo Island · Faial Island · Flores Island · Graciosa Island · Pico Island · Santa Maria Island · São Jorge Island · São Miguel Island · Terceira Island · ZA · Rapa Nui - Easter Islands · CL · Belgium · Brussels-Capital Region · Flemish Region · Walloon Region · France · The Netherlands · Great Britain · MX · DK · Austria · Azores · Bulgaria · Czech Republic · Slovakia · Denmark · Germany · Hungary
Synonyms
Polycarpaea tetraphyllaPolycarpon floribundumMollugo tetraphyllaAlsine polycarponHolosteum tetraphyllumPolycarpon tetraphyllum var. verticillatumPolycarpon tetraphyllum subsp. tetraphyllum

