Spiral Ditchgrass

Ruppia cirrhosa (Petagna) Grande

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Ruppia cirrhosa (Spiral Ditchgrass) is a species of perennial herb in the family Ruppiaceae. They have a self-supporting growth form. They are native to Alaska, U.S. Virgin Islands, North America, Canada, The Contiguous United States, and Puerto Rico. They have simple, broad leaves. Spiral Ditchgrass form sea grass beds. Individuals can grow to 0.37 m.

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_0022142
Definition: whole plant herbaceous

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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/5879092
Attribution: GeoNames

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URI: http://www.geonames.org/4796775

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URI: http://www.geonames.org/6255149

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URI: http://www.geonames.org/6251999

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URI: http://www.wikidata.org/entity/Q578170

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URI: http://www.geonames.org/4566966

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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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URI: http://purl.obolibrary.org/obo/NCIT_C25513
Definition: combine to create (something), eg: a structure

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URI: http://purl.obolibrary.org/obo/ENVO_01000059
Definition: Seagrass beds are highly diverse and productive ecosystems, and can harbour hundreds of associated species from all phyla. They partly create their own habitat: the leaves slow down water-currents increasing sedimentation, and the seagrass roots and rhizomes stabilize the seabed.

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EOL has data for 26 attributes, including:

fruit length
- URI: http://purl.obolibrary.org/obo/FLOPO_0001366
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2.5 cm
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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Mediterranean Sea
- URI: http://www.marineregions.org/mrgid/1905
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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 length
- URI: http://purl.obolibrary.org/obo/FLOPO_0001133
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20 cm
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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leaf sheddability
- URI: http://purl.obolibrary.org/obo/FLOPO_0008548
- Definition: A plant's disposition to lose leaves by a natural process
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evergreen
- URI: http://purl.obolibrary.org/obo/PATO_0001733
- Definition: Evergreen (plant): A quality inhering in a plant by virtue of the bearer's disposition to retain foliage.
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leaf width
- URI: http://purl.obolibrary.org/obo/FLOPO_0004627
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0.3 mm
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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Canada
- URI: http://www.geonames.org/6251999
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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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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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Harvard UNiversity, Museum of Comparative Zoology
- URI: http://biocol.org/urn:lsid:biocol.org:col:33791
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Known occurrences, collected specimens and observations of spiral ditchgrass. View this species on GBIF

"Kentucky Native Plant Society. Scanned by Omnitek Inc." cc-by-nc-sa-3.0