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Indigo is a term used for a number of hues in the region of blue.The word comes from the ancient dye of the same name.The term "indigo" can refer to the color of the dye, various colors of fabric dyed with indigo dye, a spectral color, one of the seven colors of the rainbow as described by Newton, or a region on the color wheel, and can include various shades of blue, ultramarine, and green-blue.
Indigo, space-filling. Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol, or ether, but soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid. The chemical formula of indigo is C 16 H 10 N 2 O 2 .
Indigofera tinctoria, also called true indigo, is a species of plant from the bean family that was one of the original sources of indigo dye. Description [ edit ] True indigo is a shrub 1–2 metres (3 ft 3 in – 6 ft 7 in) high.
Indigofera is a varied genus that has shown unique characteristics making it an interesting candidate as a potential perennial crop. [clarification needed] Specifically, there is diverse variation among species with a number of unique characteristics. Some examples of this diversity include differences in pericarp thickness, fruit type, and ...
List of IndiGo destinations. As of July 2024, IndiGo flies to a total of 121 short-haul destinations, including 88 domestic destinations within India and 33 international destinations (30 active) within the extended neighbourhood in Asia, Africa and Europe. The list includes the city, country and the airport's name, with the airline's hubs marked.
The indigo bunting ( Passerina cyanea) is a small seed -eating bird in the cardinal family, Cardinalidae. It is migratory, ranging from southern Canada to northern Florida during the breeding season, and from southern Florida to northern South America during the winter. It often migrates by night, using the stars to navigate.
Baptisia australis, commonly known as blue wild indigo or blue false indigo, is a flowering plant in the family Fabaceae (legumes). It is a perennial herb native to much of central and eastern North America and is particularly common in the Midwest, but it has also been introduced well beyond its natural range.
In the book Red, White, and Black Make Blue, Andrea Feeser recounts the stories of individuals who contributed to making indigo an integral part of the colonial South Carolina experience, exploring the plant's relationships to land use, slave labor, textile production, use, expression, and wealth creation. [3] [1]