Eleocharis flavescens
| Bright Green Spikerush | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Eleocharis |
| Species: | E. flavescens
|
| Binomial name | |
| Eleocharis flavescens (Poir.) Urb.
| |
| Synonyms | |
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List
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Eleocharis flavescens is a perennial flowering plant species called bright green spikerush, pale spike-rush, or wrinkle-sheathed spike-rush;[3] it is a member of the sedge family, Cyperaceae. It is clump-forming species that also spreads into colonies. It is a small species that looks similar to other Spikerush species. It is native to temperate North America, the West Indies, and South America.[3]
Varieties
There are two varieties.[3]
Eleocharis flavescens var. olivacea (Torr.) Gleason: is found along shorelines in eastern North America along the Atlantic coast and inland south of the Great Lakes to Minnesota.[4] It is a short caespitose plant with biconvex, green to dark brown, achenes.[4] The achenes have a two-cleft style and bristles that are as long or longer than the achene.[4] The scales of the achene are rounded with round tips and have a green midrib.[4] In Minnesota it reaches its most westerly distribution and it is listed as a Threatened species because of its rarity.[5] It is a wetland species found in only a few locations in Minnesota but this may be due to under collecting because the species is small and looks like other species. In Minnesota, it has been found growing on a mucky lakeshore in a mixed forest, and along a muddy shoreline of a peat pond.[4]
Eleocharis flavescens var. flavescens: with red-brown to dark brown ripe achenes.[3] It grows in southern and western USA, the West Indies, and South America.[3]
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References
- ^ "The Plant List: A Working List of All Plant Species". Retrieved 4 January 2015.
- ^ "Eleocharis flavescens (Poir.) Urb". www.worldfloraonline.org. Retrieved 2020-12-29.
- ^ a b c d e "Eleocharis flavescens in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2020-12-29.
- ^ a b c d e Barbara Coffin; Lee Pfannmuller (1988). Minnesota's Endangered Flora and Fauna. U of Minnesota Press. p. 91. ISBN 978-0-8166-1689-3.
- ^ "Eleocharis flavescens (Bright Green Spikerush): Minnesota Wildflowers". www.minnesotawildflowers.info. Retrieved 2020-12-29.
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