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knapweeds
Centaurea
Centaurea (/ˌsɛntɔːˈriːə/) is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich. Common names for this genus are centaury, centory, starthistles, knapweeds, centaureas and the more ambiguous "bluets"; a vernacular name used for these plants in parts of England is "loggerheads" (common knapweed)....
60 branches of this genus, most-observed first

Centaurea
subgenusCentaurea

knapweeds, bluets, loggerheads, and allies
subgenusCyanus

Lopholoma
subgenusLopholoma

Solstitiaria
subgenusSolstitiaria

Seridia
subgenusSeridia

singleflower knapweed
speciesCentaurea nervosa

single-flower knapweed
speciesCentaurea uniflora

Pectinate Knapweed
speciesCentaurea pectinata

Centaurea chartolepis
speciesCentaurea chartolepis

Centaurea hyssopifolia
speciesCentaurea hyssopifolia

Rhaetian Knapweed
speciesCentaurea rhaetica

d'Urville's Star-thistle
speciesCentaurea urvillei

Centaurea gallaecica
speciesCentaurea gallaecica

Centaurea linifolia
speciesCentaurea linifolia

Centaurea langei
speciesCentaurea langei

Centaurea crocodylium
speciesCentaurea crocodylium

Silver Knapweed
speciesCentaurea ragusina

Centaurea ascalonica
speciesCentaurea ascalonica

Centaurea bruguiereana
speciesCentaurea bruguiereana

Centaurea trichocephala
speciesCentaurea trichocephala

Centaurea eryngioides
speciesCentaurea eryngioides

Centaurea pseudosinaica
speciesCentaurea pseudosinaica

Centaurea reflexa
speciesCentaurea reflexa

Centaurea pulchella
speciesCentaurea pulchella

Centaurea × pouzinii
hybridCentaurea × pouzinii

Microlophus
sectionMicrolophus

Centaurea lagascana
speciesCentaurea lagascana

Centaurea corcubionensis
speciesCentaurea corcubionensis

Centaurea drabifolia
speciesCentaurea drabifolia

Centaurea maroccana
speciesCentaurea maroccana

Centaurea borjae
speciesCentaurea borjae

Centaurea pungens
speciesCentaurea pungens

South-eastern Knapweed
speciesCentaurea dichroantha

Centaurea parviflora
speciesCentaurea parviflora

Thistle-leaved Knapweed
speciesCentaurea onopordifolia

Centaurea verutum
speciesCentaurea verutum

Centaurea toletana
speciesCentaurea toletana

Centaurea perrottetii
speciesCentaurea perrottetii

Phaeopappus
sectionPhaeopappus

Centaurea ultreiae
speciesCentaurea ultreiae

Centaurea sinaica
speciesCentaurea sinaica

Centaurea speciosa
speciesCentaurea speciosa

Centaurea × valentina
hybridCentaurea × valentina

Centaurea acaulis
speciesCentaurea acaulis

Centaurea praecox
speciesCentaurea praecox

Centaurea compereana
speciesCentaurea compereana

Lettuce-leaved Star-thistle
speciesCentaurea lactucifolia

Centaurea exarata
speciesCentaurea exarata

Centaurea oranensis
speciesCentaurea oranensis

Centaurea arachnoidea
speciesCentaurea arachnoidea

Centaurea laconica
speciesCentaurea laconica

Centaurea dhofarica
speciesCentaurea dhofarica

Centaurea dalmatica
speciesCentaurea dalmatica

Centaurea stereophylla
speciesCentaurea stereophylla

Centaurea ceratophylla
speciesCentaurea ceratophylla

Centaurea scoparia
speciesCentaurea scoparia

Centaurea subtilis
speciesCentaurea subtilis

Centaurea dumulosa
speciesCentaurea dumulosa

Centaurea gentilii
speciesCentaurea gentilii

Centaurea spruneri
speciesCentaurea spruneri
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries

Latin Herbal with German Synonyms
1486 · p.80

Herbal of Virtues
1499 · p.79

Latin Herbal with German Synonyms
1484 · p.109

Latin Herbal
1484 · p.79

Herbarius
1485 · p.80

Herbarius latinus (with French synonyms)
1486 · p.81

Herbarius latinus (with Dutch synonyms)
1486 · p.77

Ortus sanitatis
1491 · p.107

Garden of Health
Jacob Meydenbach · 1491 · p.107

The Book of Health: The Art of Distillation
Brunschwig, Hieronymus · 1505 · p.102

Garden of Health
1507 · p.87

The Great Herbary with all the figures of the herbs
1532 · p.164
In the stacks
Searching the stacks…
Every page naming Centaurea in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 48160.