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Four-leaved Allseed

Polycarpon tetraphyllum

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
Maximum Size:
25 centimetres tall
Habitats:
Fields, gardens, roadsides, seaside, wasteland.

Flower:
֍
White, 5 petals
 
The flowers are very small and appear inside forked heads.
Fruit:
The fruit is a near spherical capsule, just over 1mm in size.
Leaves:
A many-branched, hairless, winter annual plant with small oval to spoon-shaped leaves, in groups of 4 along the stems. Grows in sandy soils. In Britain, Four-leaved Allseed is most likely to be encountered on the Scilly Isles.
Other Names:
Fourleaf Allseed, Fourleaf Manyseed.
Frequency (UK):
Unusual  

Other Information

Summary

Polycarpon tetraphyllum, also known as four-leaved allseed or common mouse-ear, is a annual or perennial plant that is native to Europe and Asia. It belongs to the carnation family and is known for its small, white flowers and hairy, four-leaved stems. Polycarpon tetraphyllum is a low-growing plant that spreads quickly and is often used as a groundcover in gardens. It is easy to grow and is tolerant of a wide range of soil types and climates. Polycarpon tetraphyllum prefers partial shade to full sun and is drought-tolerant once established. The plant is generally hardy and low maintenance, but it can be prone to pests such as slugs and snails. Polycarpon tetraphyllum is also known for its medicinal properties and has been used traditionally to treat a variety of ailments. However, more research is needed to fully understand its effects and to determine the safety and effectiveness of using it medicinally.

Blog

Four-leaved Allseed (Polycarpon tetraphyllum) is a small, low-growing annual plant that is native to Europe and Asia. It is a member of the Caryophyllaceae family and is also known as four-leaved allseed, four-leaved maw, and four-leaved polycarpon.

The plant has a prostrate habit and forms a dense mat of foliage that is only a few centimeters tall. The leaves are small, green, and arranged in groups of four. The plant produces small, white, five-petaled flowers that are about 1 cm in diameter. These flowers bloom from late spring to early fall.

Four-leaved Allseed is a very hardy plant and can grow in a wide range of soils and conditions. It is often found growing in cracks in pavements, on walls, and in other urban environments. It is also commonly found in disturbed areas, such as along roadsides and in construction sites.

This plant is a great choice for gardeners looking for a low-maintenance groundcover. It is tolerant of drought and can withstand heavy foot traffic. It also can grow in full sun or partial shade, and is not picky about soil pH.

Four-leaved Allseed is not typically used as a food or medicinal plant, but it can be used as a groundcover in rock gardens or as a filler in between stepping stones or in a container. It is also a good choice for planting in a green roof or living wall.

In summary, Four-leaved Allseed is a hardy, low-growing annual plant that is native to Europe and Asia. It is a great choice for gardeners looking for a low-maintenance groundcover and can grow in a wide range of soils and conditions. It is not typically used as a food or medicinal plant, but it can be used in a variety of landscaping applications.

While Four-leaved Allseed is not typically used as a food or medicinal plant, it does have a few interesting characteristics. The plant is known to be a good source of nectar for bees and other pollinators. Its small, white flowers also make it an attractive option for butterfly gardens.

Another interesting characteristic of Four-leaved Allseed is its ability to tolerate heavy metal pollution. The plant is known to be able to survive in areas with high levels of heavy metals in the soil. This makes it a useful option for phytoremediation, the use of plants to clean up contaminated soil.

When it comes to caring for Four-leaved Allseed, it is a very low-maintenance plant. It does not require regular watering or fertilization, and can tolerate a wide range of temperatures. It can also be propagated easily through seed or stem cuttings.

It is worth noting that Four-leaved Allseed is considered a weed in some areas, particularly in the United States where it is not native. It can spread quickly and aggressively, which can be a problem in gardens or landscaped areas. However, it can be controlled with regular weeding or by using a pre-emergent herbicide.

Despite its weedy characteristics, Four-leaved Allseed is still a useful plant in many situations. It is often used in green roofs, living walls, and rock gardens, as it is able to tolerate drought and can withstand heavy foot traffic. It can also be planted in between stepping stones, in a container or as a filler in gardens.

One potential use for Four-leaved Allseed is in erosion control. Its low-growing habit and dense mat of foliage can help to stabilize slopes and prevent soil erosion. Its ability to grow in a wide range of soils and conditions also makes it a useful option for planting in areas with poor soil quality.

In conclusion, Four-leaved Allseed is a hardy, low-growing annual plant that is native to Europe and Asia, but considered a weed in some areas. While it can spread quickly and aggressively, it can be controlled with regular weeding or by using a pre-emergent herbicide. Its ability to grow in a wide range of soils and conditions and its tolerance to drought, heavy foot traffic and heavy metals make it a useful option for landscaping and erosion control projects. And its small white flowers are also a great source of nectar for bees and other pollinators.


Distribution Map

Reproduced by kind permission of the BSBI.

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