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Species of rush From Wikipedia, the free encyclopedia
Juncus acutus, the spiny rush, sharp rush or sharp-pointed rush, is a flowering plant in the monocot family Juncaceae. It is native to the Americas, Northern and Southern Africa, Western and Southern Europe and West Asia, and is found in a variety of wet habitats, such as bogs, fens, meadows, and salt marshes,[2] and along the edges of ponds and lakes.[3][4]
| Juncus acutus | |
|---|---|
 | |
| Lake Walyungup, Rockingham Lakes Regional Park | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Juncaceae |
| Genus: | Juncus |
| Species: | J. acutus |
| Binomial name | |
| Juncus acutus | |
The sharp-pointed rush is a perennial plant that grows to a height of about 60 to 100 centimeters (24 to 39 inches). It has slender, cylindrical stems with narrow, pointed leaves and clusters of small, light brown flowers that bloom in the summer.
This species is important for a variety of reasons. It provides habitat and food for a range of wetland animals, including insects, birds, and mammals. It is also an important component of wetland ecosystems, helping to prevent soil erosion and maintain water quality. In some countries like Australia it is considered to be an invasive weed[5] and the spines harmful to young children.[6]
In addition, sharp-pointed rush has been used for a variety of purposes, including as a source of fiber for making paper, baskets, and other woven products, and for medicinal purposes. The plant has also been used for landscaping and erosion control,[7] as well as for ornamental purposes in gardens and wildflower meadows.
Despite its ecological and cultural significance, Juncus acutus is considered to be of least concern in terms of conservation, as it is widely distributed and not currently threatened by habitat loss or other factors. However, continued conservation efforts are necessary to protect this species and its habitat and ensure its long-term survival.
Juncus acutus is a brown and green[12] tussock-forming[6] perennial that can grow to 1.5 metres (4.9 ft)[12] tall in all kinds of soils,[13] in areas which go from extremes in flood and dry like dunes[4] or that just stay wet like lowland grassland and grassy woodland, riparian vegetation, freshwater wetland, and saline and subsaline wetlands.[14]
Found principally in low-lying damp, low fertility areas[14] like sandy sea shores and dune slacks and coastal flats,[14] occasionally in salt marshes[13] and disturbed saline areas, mine dumps, lowland grassland and grassy woodland, riparian vegetation, freshwater wetland, and saline and subsaline wetlands[14]
The dimeric phenanthrenoid 8,8'-bidehydrojuncusol and the monomeric juncusol[15] and dehydrojuncusol can be isolated from J. acutus.[16]
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