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Annual Pearlwort

Sagina apetala

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.
For more information please download the BSBI Code of Conduct PDF document.

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:
10 centimetres tall
Habitats:
Fields, gardens, roadsides, rocky places, wasteland.

Flower:
֍
White, 4 petals
 
The solitary flowers have long, slender stalks with 4 or (sometimes) 5 greenish-white tiny petals. The petals are much shorter than it's blunt green sepals. 4 sepals, no petals. Annual Pearlwort is similar in appearance to Slender Pearlwort (Sagina filicaulis), however Slender Pearlwort has spreading, blunt-tipped sepals. Slender Pearlwort is more common in urban places whereas Annual Pearlwort is not.
Fruit:
A small, 4-valved, many-seeded capsule. Slightly drooping.
Leaves:
Opposite, simple, linear leaves in tight whorled clusters. The leaves are not usually above 1cm in length. Annual Pearlwort is similar looking to the much more frequent Procumbent Pearlwort (Sagina procumbens) but Annual Pearlwort is more upright and lacks a basal rosette of leaves.
Other Names:
Apetalous Pearlwort, Dwarf Pearlwort.
Frequency (UK):
Common  

Similar Species

Other Information

Summary

Sagina apetala, also known as the annual pearlwort or apetalous pearlwort, is a small annual herb in the family Caryophyllaceae. It is native to Europe, Asia, and North Africa, but has also been introduced to other parts of the world. The plant is typically found in fields, along roadsides, and in other disturbed areas. It has small, green leaves and tiny white flowers that bloom in the summer. It is not considered to be edible or toxic, and it is mainly used as a ground cover or in rock gardens. It thrives in poor soils, and can be useful for stabilizing soil in erosion-prone areas.

Blog

Annual Pearlwort, or Sagina apetala, is a small flowering plant native to Europe, Asia, and North America. This delicate plant is known for its tiny, white, star-shaped flowers that bloom in the summer months. While it may be small in size, it has a big impact on the ecosystems it inhabits.

Description

Annual Pearlwort is an annual herb that grows up to 10 cm in height. It has a prostrate or ascending habit and small, bright green leaves that are 2-4 mm long. The leaves are narrow and pointed, with a smooth texture. The plant produces small white flowers that are about 2-3 mm in diameter. The flowers have five petals that are deeply divided, giving them a star-like appearance. The seeds of the plant are small and brown and are dispersed by wind or water.

Habitat and Distribution

Annual Pearlwort is found in a variety of habitats, including moist meadows, pastures, lawns, and rocky areas. It can tolerate a range of soil types, from sandy to clay soils, and can grow in full sun or partial shade. The plant is native to Europe, Asia, and North America and has been introduced to other parts of the world, including New Zealand and Australia.

Ecological Importance

Annual Pearlwort is an important plant in its native ecosystems. It provides food and habitat for a variety of insects, including bees, butterflies, and moths. It is also an important food source for grazing animals, such as sheep and rabbits. The plant's ability to grow in a variety of habitats makes it an important component of many different ecosystems.

Cultural Significance

Annual Pearlwort has been used in traditional medicine to treat a variety of ailments, including digestive disorders and respiratory infections. It has also been used as a food source, particularly in times of famine. In some cultures, the plant is believed to have magical properties and has been used in rituals and ceremonies.

Annual Pearlwort, or Sagina apetala, may be small in size, but it plays an important role in the ecosystems it inhabits. It provides food and habitat for a variety of insects and grazing animals, and its ability to grow in a variety of habitats makes it an important component of many different ecosystems. Its cultural significance and traditional uses further highlight the importance of this tiny but mighty plant.

Survival

Despite its small size, Annual Pearlwort has some interesting adaptations that allow it to survive in its environment. One of its notable adaptations is its ability to grow in compacted soils, which is an important trait for a plant that often grows in disturbed areas such as roadsides and lawns. It has a shallow root system that can take advantage of small spaces in the soil, and it is also able to withstand trampling and mowing.

Facts about Annual Pearlwort

Here are some facts and a summary about Annual Pearlwort (Sagina apetala):

  1. Sagina apetala is a species of flowering plant in the family Caryophyllaceae, commonly known as Annual Pearlwort or Thyme-leaved Pearlwort.

  2. It is an annual herb that is native to Europe and Asia, but has been introduced and naturalized in other parts of the world, including North America.

  3. Annual Pearlwort typically grows in low, spreading mats or tufts, with small, bright green leaves that are no more than 5 mm long.

  4. The plant produces small, white flowers that bloom from May to August, and its seeds are dispersed by wind.

  5. Annual Pearlwort prefers moist, sandy or gravelly soils and can be found in a variety of habitats, including lawns, fields, and meadows.

  6. In some parts of the world, Annual Pearlwort is considered an invasive weed, as it can quickly colonize and dominate disturbed areas.

In summary, Annual Pearlwort (Sagina apetala) is an annual herb that is native to Europe and Asia, but has been introduced and naturalized in other parts of the world. It typically grows in low, spreading mats or tufts and produces small, white flowers. While it prefers moist, sandy or gravelly soils, it can be found in a variety of habitats and is sometimes considered an invasive weed.


Distribution Map

Reproduced by kind permission of the BSBI.

Click to open an Interactive Map