Taxon: Rhaponticum repens (L.) Hidalgo

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AK(as Centaurea repens)*°, AZ(as Acroptilon repens)*°, CA(as Acroptilon repens)*°, CO(as Acroptilon repens)*°, CO(as Centaurea repens)°, CT(as Centaurea repens)°, GA(as Acroptilon repens)°, HI(as Acroptilon repens)*°, IA(as Centaurea repens)*°, ID(as Acroptilon repens)°, ID(as Centaurea repens)*°, IL(as Centaurea picris)°, IN(as Centaurea repens)°, KS(as Centaurea picris)*, KS(as Centaurea repens)°, LA(as Centaurea repens)°, MI(as Centaurea picris)*°, MN(as Centaurea repens)°, MT(as Centaurea repens)*°, ND(as Acroptilon repens)*, ND(as Centaurea picris)°, NE(as Centaurea repens)°, NM(as Acroptilon repens)*, NM(as Centaurea repens)°, NV(as Acroptilon repens)*, NV(as Centaurea repens)°, NY(as Centaurea repens)°, OH(as Acroptilon repens)°, OH(as Centaurea picris)°, OK(as Centaurea picris)*°, OR(as Acroptilon repens)*°, SC(as Centaurea picris)°, SD(as Centaurea repens)*°, TX(as Centaurea repens)°, UT(as Centaurea repens)*°, WA(as Acroptilon repens)*, WA(as Centaurea repens)°, WY(as Acroptilon repens)°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Link to species profile at

Common names:

• blueweed   (Source: Noxweed Aust as Acroptilon repens)
  
• centáurea   (Source: D. Groth, p.c. 2005)
  
• creeping knapweed   (Source: World Econ Pl )
  
• Federblume   (Source: Zander ed17 as Acroptilon repens)
  
• hardheads   (Source: Noxweed Aust as Acroptilon repens)
  
• Russian knapweed   (Source: World Econ Pl )
  

Economic importance:

• Vertebrate poisons: mammals   (fide Poison Pl Proc, as Centaurea repens)
  
• Weed: also potential seed contaminant   (fide Econ Pl Aust, as Acroptilon repens; Proc. Roy. Soc. Edinburgh 89:296. 1986, as Acroptilon repens)
  

More:

View toxicology references for Rhaponticum repens from FDA Poisonous Plant Database

Distributional range:

Native:

• ASIA-TEMPERATE
  Western Asia: Cyprus; Iran; Iraq; Turkey
  Caucasus: Armenia; Azerbaijan; Georgia
  Mongolia: Mongolia
• EUROPE
  East Europe: Russian Federation - European part; Ukraine - Krym

Other:

• widely naturalized elsewhere

References:

• Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity - on-line resource. (EuroMed Plantbase)
• Erhardt, W. et al. 2002. Zander: Handwörterbuch der Pflanzennamen, 17. Auflage. (Zander ed17) [= Acroptilon repens].
• Groth, D. 2005. pers. comm. [re. Brazilian common names].
• Hidalgo, O. et al. 2006. Phylogeny of Rhaponticum (Asteraceae, Cardueae-Centaureinae) and related genera inferred from nuclear and chloroplast DNA sequence data: taxonomic and biogeographic implications. Ann. Bot. (Oxford) 97:705–714.
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia. (Noxweed Aust) [= Acroptilon repens].
• USDA National Agricultural Library. National Invasive Species Information Center (Nat Invasive Sp Info)

More:

Search AGRICOLA article citation database for citations referencing Rhaponticum repens.

Search NCBI's Entrez search engine for PubMed citations referencing Rhaponticum repens. Note: Defaults to a search by genus or species epithet if species binomial not found.

Synonyms:

• (≡) Acroptilon repens (L.) DC.
  
• (=) Centaurea picris Pall. ex Willd.
  
• (≡) Centaurea repens L. (basionym)
  

Check other databases for Rhaponticum repens (L.) Hidalgo:

• Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  Note: Defaults to a search by genus or species epithet if species binomial not found.

Images:

• Fruits: U.S. National Seed Herbarium image
• Fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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