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Black Alpine Sedge

Carex atrata

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Contents

Plant Profile

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Poales
Family:
Cyperaceae (Sedge)
Also in this family:
American Galingale, Birdsfoot Sedge, Black Bog-rush, Bladder Sedge, Bog Sedge, Bottle Sedge, Bristle Club-rush, Bristle Sedge, Broad-leaved Cotton-grass, Brown Beak-sedge, Brown Bog-rush, Chestnut Rush, Close-headed Alpine Sedge, Club Sedge, Common Club-rush, Common Cotton-grass, Common Sedge, Common Spike-rush, Curved Sedge, Deergrass, Dioecious Sedge, Distant Sedge, Divided Sedge, Dotted Sedge, Downy-fruited Sedge, Dwarf Sedge, Dwarf Spike-rush, Estuarine Sedge, False Fox Sedge, False Sedge, Few-flowered Sedge, Few-flowered Spike-rush, Fibrous Tussock Sedge, Fingered Sedge, Flat Sedge, Flea Sedge, Floating Club-rush, Gingerbread Sedge, Glaucous Sedge, Great Fen Sedge, Greater Pond Sedge, Greater Tussock Sedge, Green-ribbed Sedge, Grey Club-rush, Grey Sedge, Hair Sedge, Hairy Sedge, Haresfoot Sedge, Hare's-tail Cotton-grass, Heath Sedge, Hop Sedge, Large Yellow Sedge, Lesser Pond Sedge, Lesser Tussock Sedge, Long-bracted Sedge, Many-stalked Spike-rush, Mountain Bog Sedge, Needle Spike-rush, Northern Deergrass, Northern Spike-rush, Oval Sedge, Pale Sedge, Pendulous Sedge, Perennial Sedge, Pill Sedge, Prickly Sedge, Remote Sedge, Rock Sedge, Round-headed Club-rush, Russet Sedge, Salt Sedge, Sand Sedge, Scorched Alpine Sedge, Sea Club-rush, Sheathed Sedge, Slender Club-rush, Slender Cotton-grass, Slender Sedge, Slender Spike-rush, Slender Tufted Sedge, Smooth-stalked Sedge, Soft-leaved Sedge, Spiked Sedge, Spring Sedge, Star Sedge, Starved Wood Sedge, Stiff Sedge, String Sedge, Sweet Galingale, Tall Bog Sedge, Tawny Sedge, Thin-spiked Wood Sedge, Triangular Club-rush, True Fox Sedge, Tufted Sedge, Water Sedge, White Beak-sedge, White Sedge, Wood Club-rush, Wood Sedge, Yellow Sedge
Type:
Flower
Life Cycle:
Perennial
Maximum Size:
60 centimetres tall
Habitats:
Cliffs, fens, gardens, grassland, meadows, mountains, riverbanks, riversides, rocky places, waterside, wetland.

Flower:
֍
Brown, no petals
 
Dark brown or blackish egg-shaped flower spikes, all clustered together at the top of the stem. Slightly nodding.
Fruit:
Yellowish fruits, frequently marked with purple. The fruits gradually narrow towards their beaks.
Leaves:
Simple, linear, alternate leaves. Glaucous and pale green. The stems are sharply 3-sided. Perennial.
Other Names:
Black Sedge, Blackened Sedge.
Frequency (UK):
Rarely seen  

Similar Species

Other Information

Summary

Carex atrata, also known as black sedge, is a species of sedge native to Europe and Asia. It is a perennial herb growing up to 60 cm tall. It typically grows in moist to wet habitats such as meadows, fens, and along the margins of lakes and rivers. The leaves are narrow, dark green to black in color, and the flowers are small and arranged in spikes. The fruit is a small achene. This species is a valuable plant in wetland ecosystem and it's important for wildlife habitat, water quality and erosion control. It's also used in landscaping and gardening as an ornamental plant, particularly for its dark leaves. It's also a food plant for the caterpillars of some species of moths, such as the sedge pug. It can be used in landscaping projects such as rain gardens and as an accent plant in meadows and other naturalized areas. It is not as commonly known as other Carex species and information about it may be limited.

Blog

Black Alpine Sedge, scientifically known as Carex atrata, is a species of sedge that is widely distributed in the arctic and alpine regions of the Northern Hemisphere. This plant is an important component of many mountain ecosystems, providing habitat and food for a range of animals, including insects, birds, and small mammals.

Physical Characteristics

Black Alpine Sedge is a small, clumping perennial plant that typically grows to a height of 5-20 cm. The plant has a dark green or blackish color, which helps it to absorb more sunlight in cold alpine environments. The leaves of the plant are narrow and pointed, and the stem is typically triangular in cross-section.

Habitat and Distribution

As mentioned earlier, Black Alpine Sedge is a widespread plant that can be found in the arctic and alpine regions of the Northern Hemisphere. It is commonly found growing in open and rocky places, including mountain meadows, slopes, and ridges. The plant can also grow in wet soils, including peat bogs, swamps, and moist tundra.

Ecological Importance

Black Alpine Sedge plays an important role in many mountain ecosystems. It provides habitat and food for a range of animals, including insects, birds, and small mammals. Insects such as grasshoppers and beetles feed on the leaves and stems of the plant, while birds like grouse and ptarmigan feed on its seeds. Small mammals like voles and lemmings also use the plant for shelter and food.

The plant is also important for soil stabilization, preventing soil erosion in mountain environments. Its dense root system helps to anchor soil and prevent it from being washed away by rain or snowmelt. Additionally, the plant's ability to absorb water helps to regulate water flow in alpine ecosystems, preventing flooding and providing a steady water supply for other plants and animals.

Conservation Status

Black Alpine Sedge is not currently listed as a threatened or endangered species. However, like many other alpine and arctic plants, it is vulnerable to climate change. Rising temperatures and changing precipitation patterns may cause the plant to decline in some areas, as it may be unable to tolerate the warmer, drier conditions.

Black Alpine Sedge, or Carex atrata, is a small but important plant that plays a key role in mountain ecosystems. It provides habitat and food for a range of animals, helps to stabilize soil, and regulates water flow. While the plant is not currently threatened, it may face challenges in the future due to climate change. As such, it is important to continue to monitor and protect this important species.

Uses

While Black Alpine Sedge does not have any significant commercial uses, it does have some traditional medicinal uses. Some indigenous communities in the arctic and alpine regions have used the plant to treat a range of ailments, including coughs, colds, and sore throats. The plant has also been used as a poultice to treat skin irritations and as a tea to aid digestion.

Cultivation

Black Alpine Sedge can be grown from seed, but it requires specific environmental conditions to thrive. The plant prefers moist, well-drained soil and is best suited for alpine or arctic regions with cold temperatures and high rainfall. While it can be grown in gardens or containers, it is typically not used as an ornamental plant due to its small size and relatively plain appearance.

Challenges

Climate change is the biggest challenge facing Black Alpine Sedge and other alpine and arctic plants. As temperatures continue to rise and precipitation patterns change, the plant may be unable to adapt to these new conditions. In addition, the increased frequency of extreme weather events, such as droughts, floods, and wildfires, could also threaten the plant and its habitat.

Conservation Efforts

While Black Alpine Sedge is not currently listed as a threatened or endangered species, there are efforts underway to conserve and protect the plant and its habitat. In many countries, including Canada and the United States, national parks and protected areas have been established to preserve alpine and arctic ecosystems. Additionally, some organizations are working to monitor the impacts of climate change on the plant and to develop strategies for its conservation and management.

Black Alpine Sedge, or Carex atrata, is a small but important plant that plays a vital role in alpine and arctic ecosystems. It provides habitat and food for a range of animals, helps to stabilize soil, and regulates water flow. While it is not currently threatened, climate change poses a significant challenge to the plant and its habitat. As such, continued efforts are needed to conserve and protect this important species and its fragile ecosystem.

And Lastly...

Black Alpine Sedge is part of the Carex genus, which includes over 2,000 species of sedges that are found throughout the world. The genus is known for its ecological importance, as many of its species are important for soil stabilization and erosion control. Some species, such as Carex arenaria, are also used in horticulture as groundcover or to prevent soil erosion.

Black Alpine Sedge is also a good indicator species for alpine and arctic ecosystems. Its presence or absence can be used to help determine the health and status of these ecosystems. In addition, researchers are studying the genetics and morphology of the plant to better understand its adaptations to cold and arid environments.

One interesting fact about Black Alpine Sedge is that it has been found to have a mutualistic relationship with a type of fungi known as mycorrhizae. Mycorrhizae are specialized fungi that form symbiotic relationships with many types of plants, helping them to absorb nutrients and water from the soil. In the case of Black Alpine Sedge, mycorrhizae have been found to help the plant survive in nutrient-poor soils by increasing its ability to absorb phosphorus.

In conclusion, Black Alpine Sedge is an important plant that plays a vital role in alpine and arctic ecosystems. While it is not currently threatened, it may face challenges in the future due to climate change. Continued efforts are needed to monitor and protect this important species and its habitat, and to better understand its adaptations to cold and arid environments.


Distribution Map

Reproduced by kind permission of the BSBI.

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