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Centaurea cyanus, commonly known as cornflower or bachelor's button, [note 1] is an annual flowering plant in the family Asteraceae native to Europe. In the past, it often grew as a weed in cornfields (in the broad sense of "corn", referring to grains , such as wheat, barley, rye, or oats), hence its name.
Centaurea cyanus, common in the native lands of Novalis. A blue flower (German: Blaue Blume) was a central symbol of inspiration for the Romanticism movement, and remains an enduring motif in Western art today. [1] It stands for desire, love, and the metaphysical striving for the infinite and unreachable. It symbolizes hope and the beauty of ...
Centaurea (/ ˌ s ɛ n t ɔː ˈ r iː ə /) [1] is a genus of over 700 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.
Centaurea montana, the perennial cornflower, [1] mountain cornflower, bachelor's button, montane knapweed or mountain bluet, is a species of flowering plant in the family Asteraceae, endemic to Europe. It is widespread and common in the more southerly mountain ranges of Europe, but is rarer in the north.
Centaurea dumanii (Dinç, A.Duran & Bilgili) Dinç & Doğu; Centaurea dumulosa Boiss. Centaurea dursunbeyensis Uysal & Köse; Centaurea ebenoides Heldr. ex S.Moore; Centaurea × eclipsislunae Mateo & M.B.Crespo; Centaurea edith-mariae Radić; Centaurea eflanensis (Kaya & Bancheva) Şirin & Ertuğrul; Centaurea elazigensis Kaya & Vural ...
Bachelor's buttons is a common name for several plant species: . Gomphrena canescens, native to Australia.; Gomphrena globosa, native to Brazil, Panama and Guatemala.; Centaurea cyanus, native to Europe, including the British Isles and cultivated as an annual ornamental plant.
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...
Protocyanin is an anthocyanin pigment that is responsible for the red colouration of roses, but in cornflowers is blue. The pigment was first isolated in 1913 from the blue cornflower (Centaurea cyanus), [1] and the identical pigment was isolated from a red rose in 1915. [2]