Knotweed

Polygonum

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

Polygonum (Knotweed) is a genus of shrub in the family Polygonaceae. They are climbers. They are native to Puerto Rico, The Contiguous United States, Saint-Pierre Et Miquelon, Greenland, Alaska, North America, Canada, and Pacific Basin excluding Hawaii. Flowers are visited by Nomia candida, Paragus haemorrhous, Lasioglossum hemicyaneum, and Nausigaster unimaculata. Individuals can grow to 6.6 m.

URI: http://purl.obolibrary.org/obo/FLOPO_0900034
Definition: whole plant frutescent, bush, shrub

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URI: http://purl.obolibrary.org/obo/FLOPO_0900035
Definition: whole plant lianescent or scandent; eg: liana or vine

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

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

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URI: http://www.geonames.org/3424932

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URI: http://www.geonames.org/3425505

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URI: http://www.geonames.org/5879092
Attribution: GeoNames

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

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

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EOL has data for 18 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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Nevada
- URI: http://www.geonames.org/5509151
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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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swamp
- URI: http://purl.obolibrary.org/obo/ENVO_00000233
- Definition: A wetland that features permanent inundation of large areas of land by shallow bodies of water, generally with a substantial number of hummocks, or dry-land protrusions.
- Comment: Ontology Description: http://environmentontology.org/ Ontology Source: http://envo.googlecode.com/svn/trunk/src/envo/envo.owl
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invasive in
- URI: http://eol.org/schema/terms/InvasiveRange
- Definition: Information about the jurisdictions where the taxon is considered to be an invasive organism due to its negative impact on human welfare or ecosystems.
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United States
- URI: http://www.geonames.org/6252001
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leaf lamina area
- URI: http://top-thesaurus.org/annotationInfo?viz=1&&trait=Leaflet_lamina_area
- Definition: the area of the leaflet lamina in the one sided projection
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1600 mm^2
leaf mass per area
- URI: http://top-thesaurus.org/annotationInfo?viz=1&&trait=Leaf_mass_per_area
- Definition: the ratio of the dry mass of a leaf to its area
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54 g/m^2
leaf nitrogen per dry mass
- URI: http://top-thesaurus.org/annotationInfo?viz=1&&trait=Leaf_nitrogen_content_per_leaf_dry_mass
- Definition: The ratio of the quantity of nitrogen in the leaf or component thereof, i.e. leaf lamina or leaflet, per respective unit dry mass
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15 mg/g
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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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
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produces
- URI: http://purl.obolibrary.org/obo/RO_0003000
- Definition: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
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oxygen
- URI: http://purl.obolibrary.org/obo/CHEBI_15379
- Definition: molecular oxygen, O2
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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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Botanischer Garten und Botanisches Museum Berlin, Zentraleinrichtung der Freien Universität Berlin
- URI: http://biocol.org/urn:lsid:biocol.org:col:15534
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Known occurrences, collected specimens and observations of knotweed. View this species on GBIF

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

Knotweed

Polygonum

knotweed includes 146 children: