Scleranthus perennis

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Perennial knawel
Scleranthus perennis.jpeg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Scleranthus
Species: S. perennis
Binomial name
Scleranthus perennis

Scleranthus perennis, the perennial knawel,[1][2] is a perennial herbaceous plant of the carnation family. It grows on sandy, dry, acidic soils. It can grow up to 15 cm high and has white flowers of 2–5 mm. The plant used to be economically significant as the major host plant of the Polish cochineal.

Closeup of flowers


  1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17. 
  2. ^ "Scleranthus perennis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 1 February 2016.