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Cornflower blue is a shade of medium-to-light blue containing relatively little green. This hue was one of the favorites of the Dutch painter Johannes Vermeer. [1] Cornflower blue sapphire. The most valuable blue sapphires are called cornflower blue, having a medium-dark violet-blue hue. [2]
Centaurea cyanus Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Eudicots Clade: Asterids Order: Asterales Family: Asteraceae Genus: Centaurea Species: C. cyanus Binomial name Centaurea cyanus L. Centaurea cyanus (introduced species) near Peshastin, Chelan County, Washington Centaurea cyanus, commonly known as cornflower or bachelor's button, is an ...
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 ]
Vacuolar pH influence on flower colour: pH theory was the first concept, that tried to explain the mystery of blue colour formation in flower petals. First observation showed that cyanine extracted from blue cornflower changes the colour in aqueous solution in different pH. In the acidic range pigment was red but in alkaline solution was blue.
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.
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.