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Common Mouse-ear

Cerastium fontanum

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
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Contents

Plant Profile

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Caryophyllales
Family:
Caryophyllaceae (Pink)
Type:
Flower
Life Cycle:
Annual or Perennial
Maximum Size:
20 centimetres tall
Habitats:
Fields, gardens, grassland, hedgerows, lawns, meadows, roadsides, sand dunes, walls, wasteland, woodland.

Flower:
֍
White, 5 petals
 
5 white deeply notched petals. Sepals can be slightly shorter or longer than petals. Sepals and bracts with pale margins.
Fruit:
A long, brown, cylindrical, stalked, hairy capsule. Up to 1.5cm long.
Leaves:
The untoothed grey-green leaves are arranged in opposite pairs. They are unstalked, lanceolate and are covered in many white hairs.
Other Names:
Big Chickweed, Common Mouse-ear Chickweed, Large Mouse-ear Chickweed, Starweed.
Frequency (UK):
Abundant  

Similar Species

Other Information

Summary

Cerastium fontanum, commonly known as common mouse-ear chickweed, is a species of flowering plant in the carnation family. It is native to Europe, Asia and North America. It is a widespread weed that can be found in gardens, lawns, roadsides and other disturbed areas. The plant has small, white, star-shaped flowers and hairy leaves and stems. It has leaves that are arranged in a basal rosette and it has short, thick stems that branch from the base. It is considered a weed as it can grow rapidly and outcompete native plants, it can also cause problems for farmers as it can be a host for some plant pathogens.

Blog

The Common Mouse-ear, also known as Cerastium fontanum, is a small but hardy plant species that belongs to the family Caryophyllaceae. It is a native of Europe but has become widespread in North America, where it is considered an invasive species.

Appearance

The Common Mouse-ear is a low-growing plant that typically reaches a height of only 10 to 20 cm. Its leaves are small, narrow, and slightly hairy, and they grow in opposite pairs along the stem. The flowers are white and star-shaped, and they grow in clusters at the end of each stem. The plant blooms from late spring to early autumn.

Habitat

The Common Mouse-ear is an adaptable species that can grow in a variety of habitats, including grasslands, fields, roadsides, and disturbed areas. It prefers well-drained soils and full sun but can tolerate some shade.

Uses

Although the Common Mouse-ear is not typically used for medicinal or culinary purposes, it has been used in traditional medicine as a treatment for various ailments. The plant contains compounds that have anti-inflammatory and diuretic properties, and it has been used to treat urinary tract infections, kidney stones, and other conditions.

In addition to its medicinal properties, the Common Mouse-ear has some ecological benefits. It is a valuable source of nectar for pollinators, and it provides food and shelter for small animals and insects.

Invasive Species

Despite its ecological benefits, the Common Mouse-ear is considered an invasive species in North America. It is able to spread rapidly and outcompete native plants, which can have negative impacts on local ecosystems. In some areas, efforts are underway to control the spread of the plant and protect native species.

The Common Mouse-ear may be a small and unassuming plant, but it has a fascinating history and a range of uses and ecological benefits. Whether you encounter it in the wild or in your backyard, take a moment to appreciate this hardy little plant and all that it has to offer.

More Information about Common Mouse-ear

The scientific name of the Common Mouse-ear, Cerastium fontanum, comes from the Greek words "keras," which means "horn," and "stion," which means "little pillar." This name refers to the shape of the plant's seed capsules, which resemble little horns or pillars.

The Common Mouse-ear has a long history of use in folklore and traditional medicine. In Europe, it was believed to have magical properties and was used in love spells and to ward off evil spirits. In traditional medicine, the plant was used to treat a variety of ailments, including coughs, sore throats, and digestive issues.

Today, the Common Mouse-ear is often considered a weed and is not typically cultivated or sold for ornamental purposes. However, it can be a useful plant for erosion control and soil stabilization, particularly in disturbed areas where other plants may have difficulty growing.

If you're interested in learning more about the Common Mouse-ear, there are many resources available online and in print. Field guides and botanical books can help you identify the plant in the wild, while scientific studies and ecological reports can provide insights into its ecological impact and potential uses. Whether you're a botany enthusiast, a nature lover, or just curious about the world around you, the Common Mouse-ear is a fascinating and worthy subject of study.

The Common Mouse-ear is a valuable plant for pollinators, particularly bees and butterflies. Its white flowers are rich in nectar and provide an important food source for these insects. As such, it is often recommended as a plant to include in pollinator gardens and habitats.

In addition to its ecological benefits, the Common Mouse-ear has some interesting adaptations that help it survive in harsh environments. The plant has a shallow root system that allows it to quickly absorb water and nutrients from the soil. Its leaves are covered in tiny hairs that help to reduce water loss through evaporation, making it well-suited for dry or arid habitats.

Interestingly, the Common Mouse-ear is also able to reproduce through both sexual and asexual means. The plant produces both seeds and vegetative runners, which can quickly give rise to new plants. This ability to reproduce quickly and efficiently is part of what makes the Common Mouse-ear such a successful invader in non-native habitats.

Despite its status as an invasive species, the Common Mouse-ear is still a valuable plant in many ways. Its adaptability, ecological benefits, and potential medicinal uses make it an interesting subject of study and a plant worth appreciating. By learning more about this unassuming little plant, we can gain a greater appreciation for the diversity and complexity of the natural world around us.

Facts about Common Mouse-ear

Facts about the Common Mouse-ear (Cerastium fontanum):

  • It is a small, low-growing plant that typically reaches a height of only 10 to 20 cm.
  • Its leaves are small, narrow, and slightly hairy, and they grow in opposite pairs along the stem.
  • The flowers are white and star-shaped, and they grow in clusters at the end of each stem.
  • The plant blooms from late spring to early autumn.
  • It is an adaptable species that can grow in a variety of habitats, including grasslands, fields, roadsides, and disturbed areas.
  • It is a valuable source of nectar for pollinators and provides food and shelter for small animals and insects.
  • The plant contains compounds that have anti-inflammatory and diuretic properties, and it has been used to treat urinary tract infections, kidney stones, and other conditions.
  • The plant's seed capsules resemble little horns or pillars, which inspired its scientific name.
  • It is considered an invasive species in North America, where it can spread rapidly and outcompete native plants.

The Common Mouse-ear is a small but hardy plant species that is native to Europe but has become an invasive species in North America. It is adaptable and can grow in a variety of habitats, and it provides valuable ecological benefits as a source of nectar for pollinators and food and shelter for small animals and insects. The plant has also been used in traditional medicine for its anti-inflammatory and diuretic properties. Despite its benefits, the Common Mouse-ear is considered a weed in some areas and efforts are underway to control its spread and protect native species.


Video

Common Mouse-ear filmed in many locations between the 27th May and 2nd June of 2023.

 

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Distribution Map

Reproduced by kind permission of the BSBI.

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