''Polycarpon'' is a genus of flowering plants in the family

Caryophyllaceae Caryophyllaceae, commonly called the pink family or carnation family, is a family of flowering plants. It is included in the dicotyledon order Caryophyllales in the APG III system, alongside 33 other families, including Amaranthaceae, Cactacea ...

. They are known generally as manyseeds. There are roughly 9 to 15 species, representing most continents.Flora of North America
/ref> The best-known species is perhaps ''

Polycarpon tetraphyllum ''Polycarpon tetraphyllum'', commonly known as four-leaved allseed (also fourleaf allseed or fourleaf manyseed), is a plant of the family Caryophyllaceae. An annual herb growing to 15 cm in height, it is found on sandy soils, in coastal area ...

'', which is native to southern Europe but is present in many other regions as an

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

. These plants are low, matted annuals spreading slender stems along the ground or erect with many branches.

Selected species

*'' Polycarpon depressum'' - California manyseed *''

Polycarpon polycarpoides ''Polycarpon polycarpoides'' is a species of flowering plant in the manyseed genus ''Polycarpon'', family Caryophyllaceae, native to the western Mediterranean; Morocco, Algeria, Tunisia, Spain, the Balearic Islands, France, Italy, and Sicily. It ...

'' *'' Polycarpon prostratum'' *'' Polycarpon succulentum'' *''

'' - fourleaf manyseed

References

External links

Jepson Manual TreatmentUSDA Plants Profile: North American Species
Caryophyllaceae Caryophyllaceae genera {{Caryophyllaceae-stub