Eleocharis bifida

Last updated

Glade spikerush
Eleocharis bifida.jpg
Status TNC G3.svg
Vulnerable  (NatureServe) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Eleocharis
Species:
E. bifida
Binomial name
Eleocharis bifida

Eleocharis bifida is a species of spikesedge known by the common name glade spikerush. It is native to the Eastern United States, where it is endemic to the Interior Low Plateau and very small part of the Ridge and Valley ecoregions. This is mostly in Kentucky and Tennessee, extending into southern Indiana, northern Alabama, and northwestern Georgia. [2] [3] It is found only in wet areas in cedar glades, such as pools and streamsides. This narrow habitat requirement is the reason for it being considered vulnerable.

Eleocharis bifida was described to science in 2001, being separated from the similar Eleocharis compressa . Eleocharis bifida can be recognized by having wider stems and all floral scales bifid (2-lobed). [4]

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<i>Eleocharis</i> Genus of grass-like plants

Eleocharis is a virtually cosmopolitan genus of 250 or more species of flowering plants in the sedge family, Cyperaceae. The name is derived from the Greek words ἕλειος (heleios), meaning "marsh dweller," and χάρις (charis), meaning "grace." Members of the genus are known commonly as spikerushes or spikesedges. The genus has a geographically cosmopolitan distribution, with centers of diversity in the Amazon Rainforest and adjacent eastern slopes of the South American Andes, northern Australia, eastern North America, California, Southern Africa, and subtropical Asia. The vast majority of Eleocharis species grow in aquatic or mesic habitats from sea level to higher than 5,000 meters in elevation.

<i>Eleocharis acicularis</i> Species of grass-like plant

Eleocharis acicularis is a species of spikesedge known by the common names needle spikerush and least spikerush. It is widespread across Europe, central and southeastern Asia, North America and northeastern South America as far south as Ecuador. It is also found in Australia, where it is probably an introduced species.

Eleocharis atropurpurea is a species of spikesedge known by the common name purple spikerush. This is an aquatic plant native to much of. It also has a wide distribution in temperate regions of North and South America and Asia. It is present in Europe, where it may be an introduced species for the most part.

Eleocharis geniculata is a species of spikesedge known by several common names, including bent spikerush and Canada spikesedge. This is a widespread plant of wet areas in the Americas, Asia, Africa, Australia, Madagascar, and some Pacific Islands. It is an annual spikesedge growing to a maximum height of about 40 centimeters. It has a few straw-colored leaves and many thin erect stems. The stems hold inflorescences of rounded spikelets each containing at least 10 tiny flowers. The flowers are covered with dark greenish-brown bracts. The fruit is a shiny purple-brown achene not more than a millimeter long.

<i>Eleocharis macrostachya</i> Species of grass-like plant

Eleocharis macrostachya is a species of spikesedge known by the common name pale spikerush.

<i>Eleocharis quinqueflora</i> Species of grass-like plant

Eleocharis quinqueflora is a species of spikesedge known by the common names fewflower spikerush and few-flowered spike-rush. It is widespread across Europe, North Africa, northern Asia, and North America. There are also isolated populations in Argentina and Chile.

<i>Eleocharis palustris</i> Species of grass-like plant

Eleocharis palustris, the common spike-rush, creeping spike-rush or marsh spike-rush, is a species of mat-forming perennial flowering plants in the sedge family Cyperaceae. It grows in wetlands in Europe, North Africa, northern and central Asia and North America. Eleocharis palustris is not easily distinguished from other closely related species and is extremely variable worldwide itself. The species epithet palustris is Latin for "of the marsh" and indicates its common habitat.

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Eleocharis montevidensis is a species of spikesedge known by the common name sand spikerush. It is a widespread coastal plant native to the Americas. It grows in moist, sandy spots in many habitat types, including lakes, riverbanks, wet meadows, and springs. It has a disjunct distribution, in North America and South America.

<i>Eleocharis rostellata</i> Species of grass-like plant

Eleocharis rostellata is a species of spikesedge known by the common name beaked spikerush. It is widespread across North America, with isolated populations in Argentina.

Eleocharis halophila, the saltmarsh spikerush, is a perennial halophytic plant endemic to salt marshes in eastern Canada, in Ontario in Hudson Bay and James Bay, Quebec in the St. Lawrence Seaway as far as the city of Quebec, Newfoundland and Nova Scotia and in the United States from Maine to North Carolina. It is one of 76 species of Eleocharis amongst the 36 genera in the sedge family (Cyperaceae).

Dalea reverchonii is a species of flowering plant in the legume family known by the common name Comanche Peak prairie-clover. It is endemic to Texas in the United States, where it is known from Bosque, Erath, Hood, Johnson, Parker, Somervell, Tarrant, and Wise counties. This species was first collected by Julien Reverchon at the top of Comanche Peak. As of 2015 the species still grows there.

<i>Phlox bifida</i> Species of flowering plant

Phlox bifida, the cleft phlox or sand phlox, is native to the Midwestern United States, the Ozarks, and the cedar glades of Kentucky and Tennessee. It is found on rock outcrops, limestone glades, and in generally dry or sandy areas.

<i>Hypericum dolabriforme</i> Species of flowering plant in the St Johns wort family Hypericaceae

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References

  1. "Eleocharis bifida". NatureServe . Retrieved 2014-07-07.[ permanent dead link ]
  2. Kew World Checklist of Selected Plant Families
  3. Biota of North America Program, 2013 county distribution map
  4. Flora of North America