| Centaurium erythraea | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Asterids | 
 
| Order: | Gentianales | 
 
| Family: | Gentianaceae | 
 
| Genus: | Centaurium | 
| Species: | C. erythraea | 
| Binomial name | 
| Centaurium erythraea 
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| Subspecies | 
| 12; see text | 
| Synonyms | 
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Centaurella dichotoma DelarbreCentaurium capitatum (Willd. ex Roem. & Schult.) BorbásCentaurium corymbosum (Dulac) DruceCentaurium erythraea var. capitatum (Willd. ex Roem. & Schult.) MelderisCentaurium erythraea var. fasciculare (Duby) UbsdellCentaurium erythraea var. latifolium (Sm.) T.C.G.RichCentaurium erythraea var. laxum (Boiss.) Mouterde ex Charpin & GreuterCentaurium erythraea var. masclansii O.Bolòs & VigoCentaurium erythraea var. subcapitatum (Corb.) UbsdellCentaurium erythraea var. sublitorale (Wheldon & Salmon) UbsdellCentaurium latifolium (Sm.) DruceCentaurium lomae (Gilg) DruceCentaurium minus MoenchCentaurium minus var. austriacum (Ronniger ex Fritsch) SoóCentaurium minus var. transiens (Wittr.) SoóCentaurium umbellatum f. album SigunovCentaurium umbellatum var. fasciculare (Duby) GilmourCentaurium vulgare RafnChironia centaurium (L.) F.W.SchmidtChironia centaurium var. fascicularis DubyChironia erythraea Schousb.Erythraea capitata Willd. ex Roem. & Schult.Erythraea centaurium (L.) Pers.Erythraea centaurium f. itatiaiaensis DusénErythraea corymbosa DulacErythraea germanica Hoffmanns. & LinkErythraea latifolia Sm.Erythraea lomae GilgErythraea vulgaris GrayGentiana centaurium L.Gentiana gerardii F.W.SchmidtGentiana palustris Lam.Gonipia linearis Raf.Hippocentaurea centaurium Schult.Libadion variabile BubaniXolemia palustris (DC.) Raf.
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Centaurium erythraea is a species of flowering plant in the gentian family known by the names common centaury and European centaury. It is also commonly known as “feverfoullie”, “gentian” or “centaury”.