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 Anthidiellum, Tharsalea gorgon, lulworth skipper, and Southern Grizzled Skipper. Individuals can grow to 12 cm.

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

show all records

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

show all records

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

show all records

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

show all records

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

show all records

EOL has data for 16 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]
show all records
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
show all records
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.
show all records
Indiana
- URI: http://www.geonames.org/4921868
show all records
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
show all records
arid
- URI: http://purl.obolibrary.org/obo/ENVO_01000230
- Definition: An arid condition is an environmental condition in which annual precipitation is less than half of annual potential evapotranspiration.
show all records
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]
show all records
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.
show all records
The Contiguous United States
- URI: http://www.wikidata.org/entity/Q578170
show all records
parasite of
- URI: http://purl.obolibrary.org/obo/RO_0002444
show all records
Puccinia cnici-oleracei Pers. 1823
plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
show all records
herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
show all records
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).
show all records
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.
show all records
oxygen
- URI: http://purl.obolibrary.org/obo/CHEBI_15379
- Definition: molecular oxygen, O2
show all records
seed dry mass
- URI: http://top-thesaurus.org/annotationInfo?viz=1&&trait=Seed_dry_mass
- Definition: the mass of a seed, assessed after drying
show all records
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)
show all records
photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
show all records
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/).
show all records
Botanischer Garten und Botanisches Museum Berlin, Zentraleinrichtung der Freien Universität Berlin
- URI: http://biocol.org/urn:lsid:biocol.org:col:15534
show all records

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: