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Cerastium diffusum Pers.

Family - Caryophyllaceae

Common Name - Sea Mouse-ear









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Description of Genus

Annual, biennial and perennial herbs or shrublets. The leaves are hairy, sessile, opposite and entire. The flowers are solitary or in a cymose inflorescence. The sepal are not fused. The petals are white and are either deeply notched or indented in their ends. Occasion petals are not present.

Bare ground
Dunes & dune slacks
Whole plant of Cerastium diffusum
© Prof. Paul Busselen KULAK - PlantengidsFlowers of Cerastium diffusum
© Prof. Paul Busselen KULAK - Plantengids
Life History
UK distribution

Found in England, Scotland, Wales and Ireland. (See Map)

Flowering Time

In flower during April, May, June, July and August.


The fruit is a capsule.


The flower is actinomorphic and is white in colour.

Names in other languages and countries

Fourstamen Chickweed

Latin Synonyms

Cerastium tetrandrum

Other British Names

Dark-green Mouse-ear Chickweed