Image of Eleocharis acutangula subsp. acutangula

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Hollow Stem Spike Rush

Eleocharis acutangula (Roxb.) Schult.

Mark Hyde, Bart Wursten and Petra Ballings cc-by-nc

Eleocharis acutangula (Hollow Stem Spike Rush) is a species of perennial grass in the family sedges. They have a self-supporting growth form. They are native to Pernambuco, Rio De Janeiro, Mata Atlântica, Amazônia, Pampa, Mato Grosso Do Sul, ParaíBa, Rio Grande Do Norte, Bahia, Roraima, Piauí, Caatinga, Pantanal, Maranhao, Alagoas, Espirito Santo, Pará, Tocantins, Mato Grosso, Santa Catarina, Ceará, SãO Paulo, Cerrado, Rio Grande Do Sul, Sergipe, Minas Gerais, Paraná, GoiáS, and Distrito Federal. They have simple, broad leaves.

URI: http://purl.obolibrary.org/obo/FLOPO_0980073
Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic
Attribution: Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary: http://www.mobot.org/mobot/research/apweb/top/glossaryi_p.html#perennial

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URI: http://purl.obolibrary.org/obo/FLOPO_0900036
Definition: whole plant graminoid

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URI: http://eol.org/schema/terms/self-supportingGrowthForm
Definition: an organism relying on its own supportive tissues rather than a climbing habit to achieve vertical growth

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URI: http://www.geonames.org/3392268

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URI: https://www.geonames.org/3451189

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URI: https://www.wikidata.org/entity/Q477047

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URI: https://www.wikidata.org/entity/Q2841453

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URI: https://www.wikidata.org/entity/Q184382

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URI: https://www.geonames.org/3457415

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URI: http://www.geonames.org/3393098

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URI: http://www.geonames.org/3390290

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URI: https://www.geonames.org/3471168

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URI: http://www.geonames.org/3662560

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URI: http://www.geonames.org/3392213

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URI: https://www.wikidata.org/entity/Q375816

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URI: https://www.wikidata.org/entity/Q157603
Definition: tropical wetland mostly within Brazil, and portions in Bolivia and Paraguay

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URI: http://www.geonames.org/3395443

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URI: http://www.geonames.org/3408096

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URI: https://www.geonames.org/3463930

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URI: https://www.geonames.org/3393129

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URI: http://www.geonames.org/3474575

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URI: https://www.geonames.org/3457419

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URI: https://www.geonames.org/3450387

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URI: http://www.geonames.org/3402362

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URI: https://www.geonames.org/3448433

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URI: https://www.wikidata.org/entity/Q278512
Definition: tropical savanna ecoregion of Brazil

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URI: https://www.geonames.org/3451133

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URI: http://www.geonames.org/3447799

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URI: https://www.geonames.org/3457153

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URI: https://www.geonames.org/3455077

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URI: http://www.geonames.org/3462372

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URI: https://www.geonames.org/3463504

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URI: http://purl.obolibrary.org/obo/PO_0020042
Definition: A leaf in which the lamina is undivided

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URI: http://purl.obolibrary.org/obo/PATO_0002359
Definition: A quality inhering in a bearer by virtue of the bearer's width being notably higher than its length.

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EOL has data for 23 attributes, including:

cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Florida
- URI: http://www.geonames.org/4155751
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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rocky grassland
- URI: http://eol.org/schema/terms/rockyGrassland
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Leaf Complexity
- URI: http://purl.obolibrary.org/obo/FLOPO_0007484
- Definition: whether a leaf is intricate or compounded
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simple
- URI: http://purl.obolibrary.org/obo/PO_0020042
- Definition: A leaf in which the lamina is undivided
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leaf morphology
- URI: http://purl.obolibrary.org/obo/FLOPO_0019932
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broad
- URI: http://purl.obolibrary.org/obo/PATO_0002359
- Definition: A quality inhering in a bearer by virtue of the bearer's width being notably higher than its length.
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native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
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SãO Paulo
- URI: https://www.geonames.org/3448433
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photosynthetic pathway
- URI: http://eol.org/schema/terms/photosyntheticPathway
- Definition: the biochemical pathway a plant uses to gain carbon for growth and reproduction. Plants have evolved three photosynthetic pathways, each in response to distinct environmental conditions, resulting in differences in their ecological patterns of growth and distribution.
- Comment: https://www.nature.com/scitable/knowledge/library/the-ecology-of-photosynthetic-pathways-15785165
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c3 photosynthetic plant
- URI: https://www.wikidata.org/entity/Q286954
- Definition: one of three metabolic pathways for carbon fixation in photosynthesis, along with C4 and CAM. This process converts carbon dioxide and ribulose bisphosphate (RuBP, a 5-carbon sugar) into 3-phosphoglycerate through the following reaction:\r\n\r\nCO2 + H2O + RuBP → (2) 3-phosphoglycerate\r\n\r\nThis reaction occurs in all plants as the first step of the Calvin–Benson cycle.
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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grass
- URI: http://purl.obolibrary.org/obo/FLOPO_0900036
- Definition: whole plant graminoid
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plant lifeform
- URI: http://purl.obolibrary.org/obo/FLOPO_0900022
- Definition: whole plant lifeform
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terrestrial plant
- URI: http://eol.org/schema/terms/terrestrialPlant
- Definition: A terrestrial plant is a plant that grows on or in or from land. Other types of plants are aquatic (living in water), epiphytic (living on trees) and lithophytic (living in or on rocks)
- Attribution: https://en.wikipedia.org/wiki/Terrestrial_plant
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population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Stable
trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
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type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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NHMUK

Known occurrences, collected specimens and observations of Hollow-Stem Spike-Rush. View this species on GBIF

Mark Hyde, Bart Wursten and Petra Ballings cc-by-nc

Hollow-Stem Spike-Rush includes 3 children: