Centaurea cyanus L.
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Centaurea cyanus

Family: ASTERACEAE
Genus: Centaurea
Species: cyanus L.
Common names: Cornflower
Pharmacopoeia Londinensis name: Cyanus minor
Distribution summary: Europe, W.Asia, Caucasus
Habit: Annual
Hardiness: H5 - Hardy; cold winter
Habitat: Disturbed ground, roadsides, dry, sandy soil
Garden status: Currently grown
Garden location: Pharmacopoeia Londinensis 1618 'Flowers' (HSE 1), Plane tree bed (P)
Flowering months: June, July, August
Reason for growing: Medicinal
Podcast: Link

Additional Notes

Culpeper: “ ... helps the yellow jaundice, opens obstructions of the liver, helps pains of the spleen, provokes the terms, brings out the birth and afterbirth.”

Culpeper, Nicholas. (1653). The London Dispensatory.

Notes: There is a problem with this one for the Centaury of the Physicians may be Centaurium minus (an erect annual with five-petalled, pink flowers), the Common Centaury and not the blue Cornflower. Culpeper also recommends the Greater Centaury, which could be the Centaurea glastifolia of Linnaeus which is also called Centaureum majus.

Oakeley, Dr. H. F. . (2013). The Gardens of the Pharmacopoeia Londinensis. Link

Lindley notes that Centaurea were used as a febrifuge.

Lindley, John. (1838). Flora Medica, Longman, Orme, Brown, Green & Longmans

Centaurea cyanus L, was recommended by Culpeper: “ ... helps the yellow jaundice, opens obstructions of the liver, helps pains of the spleen, provokes the terms, brings out the birth and afterbirth.” The Centurea of Dioscorides was 1.5 metres high, had blue flowers 'like a poppy' and cannot be our cornflower. Lindley (1838) notes that Centaurea were used as a febrifuge.

Oakeley, Dr. Henry F. (2013). Wellcome Library notes. Link

Our supplier writes: "The floures grow at the top of the stalkes, of a diverse colours, consisting of many small floures set in a scaly head; the seed is smooth, bright shining, & wrapped in a woolly or flocky matter."

Asia-Temperate, Caucasus

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Asia-Temperate, Western Asia, Turkey

Europe, Eastern Europe, Belarus

Europe, Eastern Europe, Northwest European Russia

Europe, Middle Europe, Belgium

Europe, Middle Europe, Germany

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Europe, Northern Europe, Finland

Europe, Southeastern Europe, Albania

Europe, Southeastern Europe, Bosnia and Herzegovina

Europe, Southeastern Europe, Bulgaria

Europe, Southeastern Europe, Czech Republic

Europe, Southeastern Europe, Greece

Europe, Southeastern Europe, Italy

Europe, Southwestern Europe, France

Europe, Southwestern Europe, Portugal

Europe, Southwestern Europe, Spain

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