Brown Knapweed

Centaurea jacea L.

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Centaurea jacea (Brown Knapweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They have simple, broad leaves and achene. Flowers are visited by Bumble Bees, Chrysotoxum arcuatum, Halictus, and Honey bee. Individuals can grow to 0.51 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://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/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 23 attributes, including:

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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Rhode Island
- URI: http://www.geonames.org/5224323
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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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terrestrial
- URI: http://purl.obolibrary.org/obo/ENVO_00000446
- Definition: A biome that applies to the terrestrial realm.
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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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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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deciduous
- URI: http://purl.obolibrary.org/obo/PATO_0001731
- Definition: Deciduous (plant): A quality inhering in a plant by virtue of the bearer's disposition to shed foliage.
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parasite of
- URI: http://purl.obolibrary.org/obo/RO_0002444
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Puccinia calcitrapae DC. 1805 (Rust fungus)
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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herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
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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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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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Botanische Staatssammlung München
- URI: http://biocol.org/urn:lsid:biocol.org:col:15637
- Definition: a gbif dataset
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used for
- URI: http://eol.org/schema/terms/Uses
- Definition: The uses of the organism or products derived from the organism.
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medicinal
- URI: http://purl.obolibrary.org/obo/NCIT_C142605
- Definition: substance or combination of substances that may be administered to human beings (or animals) for treating or preventing disease, or with the intent to make a medical diagnosis or to restore, correct or modify physiological functions.
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Known occurrences, collected specimens and observations of brown knapweed. View this species on GBIF

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brown knapweed includes 11 children: