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Dioscorea alata – also called ube (/ ˈ uː b ɛ,-b eɪ /), ubi, purple yam, or greater yam, among many other names – is a species of yam (a tuber).The tubers are usually a vivid violet-purple to bright lavender in color (hence the common name), but some range in color from cream to plain white.
Page described the meaning of the pink, purple, and blue colors: [1] [6] The pink color represents sexual attraction to the same sex only (gay and lesbian). The blue represents sexual attraction to the opposite sex only (straight) and the resultant overlap color purple represents sexual attraction to both sexes (bi).
This can only be used as a very rough guide, for instance if a narrow range of wavelengths within the band 647–700 nm is absorbed, then the blue and green receptors will be fully stimulated, making cyan, and the red receptor will be partially stimulated, diluting the cyan to a greyish hue.
Color enhancers (usually chlorine donors) are frequently added too, the most common of which is polyvinyl chloride. A practical use of colored fire is the flame test , where metal cations are tested by placing the sample in a flame and analyzing the color produced.
The decolorization step is critical and must be timed correctly; the crystal violet stain is removed from both gram-positive and negative cells if the decolorizing agent is left on too long (a matter of seconds). [18] After decolorization, the gram-positive cell remains purple and the gram-negative cell loses its purple color. [18]
It is a modification of the original icon that uses a background with the colors of the rainbow flag. It became popular in Spain from April 2019 following a tweet posted on the official account of the populist far-right party Vox , after which a multitude of users belonging to the LGBTQ movement began to use it as a symbol.
Harold and the Purple Crayon is a 1955 children's picture book written and illustrated by Crockett Johnson. Published by HarperCollins Publishers, it is Johnson's most popular book, and has led to a series of other related books, as well as many adaptations.
In the original eight-color version, pink stood for sexuality, red for life, orange for healing, yellow for the sun, green for nature, turquoise for art, indigo for harmony, and violet for spirit. [4] A copy of the original 20-by-30 foot, eight-color flag was made by Baker in 2000 and was installed in the Castro district in San Francisco. [5]