Knapweed

Centaurea

2008 Keir Morse cc-by-nc-sa-3.0

Centaurea (Knapweed) is a genus of herb in the family Asteraceae. They are native to The Contiguous United States, Western North America, and North America. They have achene. Flowers are visited by Great Spangled Fritillary, Southern Grizzled Skipper, Unarmed Leaf-cutter Bee, and Almond-eyed Ringlet. Individuals can grow to 12 cm.

URI: http://purl.obolibrary.org/obo/FLOPO_0022142
Definition: whole plant herbaceous

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

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URI: https://eol.org/schema/terms/western_north_america
Definition: From the Pacific to central North America. May include Saskatchewan, Texas, and/or Guanajuato

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

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URI: http://purl.obolibrary.org/obo/PO_0030107
Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle

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EOL has data for 15 attributes, including:

fruit type
- URI: http://purl.obolibrary.org/obo/TO_0000850
- Definition: A fruit anatomy and morphology trait (TO:0002629) which is associated with the type of a fruit (PO:0009001).
- Attribution: [database_cross_reference: PO:0009001] [database_cross_reference: TO:moorel]
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achene
- URI: http://purl.obolibrary.org/obo/PO_0030107
- Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
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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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Indiana
- URI: http://www.geonames.org/4921868
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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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mountain
- URI: http://purl.obolibrary.org/obo/ENVO_00000081
- Definition: A landform that extends above the surrounding terrain in a limited area. A mountain is generally steeper than a hill, but there is no universally accepted standard definition for the height of a mountain or a hill although a mountain usually has an identifiable summit and a local relief of more than 300m.
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leaf area
- URI: http://purl.obolibrary.org/obo/TO_0000540
- Definition: A leaf anatomy and morphology trait (TO:0000748) which is associated with the total area of a leaf (PO:0025034).
- Attribution: [database_cross_reference: POC:cooperl] [database_cross_reference: GR:pj] [database_cross_reference: PO:0025034]
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2963.5 mm^2
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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The Contiguous United States
- URI: http://www.wikidata.org/entity/Q578170
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parasite of
- URI: http://purl.obolibrary.org/obo/RO_0002444
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Puccinia hieracii (Röhl.) H. Mart. 1817
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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plant height
- URI: http://purl.obolibrary.org/obo/TO_0000207
- Definition: A stature and vigor trait (TO:0000133) which is associated with the height of a whole plant (PO:0000003).
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7 cm
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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seed dry mass
- URI: http://top-thesaurus.org/annotationInfo?viz=1&&trait=Seed_dry_mass
- Definition: the mass of a seed, assessed after drying
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0.75 mg
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 knapweed. View this species on GBIF

2008 Keir Morse cc-by-nc-sa-3.0

Knapweed

Centaurea

knapweed includes 771 children: