| 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 | |
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; it is a member of the sedge family, Cyperaceae. It is a 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.
Habitat
Eleocharis flavescens is strictly a wetland species found in bogs, brackish or salt marshes and flats, floodplain, marshes, shores of rivers or lakes.
Varieties
There are two varieties.
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. It is a short caespitose plant with biconvex, green to dark brown, achenes. The achenes have a two-cleft style and bristles that are as long or longer than the achene. The scales of the achene are rounded with round tips and have a green midrib. In Minnesota it reaches its most westerly distribution and it is listed as a Threatened species because of its rarity. 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.
Eleocharis flavescens var. flavescens: with red-brown to dark brown ripe achenes. It grows in southern and western USA, the West Indies, and South America.
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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.
- ^ "Eleocharis flavescens in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2020-12-29.
- "Eleocharis flavescens (yellow spikesedge): Go Botany". gobotany.nativeplanttrust.org. Retrieved 2024-02-18.
- ^ 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.
| Taxon identifiers | |
|---|---|
| Eleocharis flavescens |
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| Scirpus flavescens | |
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