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Until the introduction of Indigofera species from the south, Persicaria tinctoria (dyer's knotweed) was the most important blue dyestuff in East Asia; however, the crop produced less dyestuff than the average crop of indigo, and was quickly surpassed in favour of the more economical Indigofera tinctoria plant.
Wrightia tinctoria, Pala indigo plant or dyer's oleander, [1] is a flowering plant species in the genus Wrightia found in India, southeast Asia and Australia. It is found in dry and moist regions in its distribution.
Indigofera tinctoria [2], also called true indigo, is a species of plant from the bean family that was one of the original sources of indigo dye. Description.
Indigofera galegoides is a species of flowering plant in the family Fabaceae, native to India, South East Asia, Malesia, and southern China. [1] It is a shrub usually 2 m (6 ft) high and indigo dye may be extracted from it by the same harvesting and processing methods as Indigofera tinctoria . [ 2 ]
Persicaria tinctoria is a species of flowering plant in the buckwheat family. Common names include Chinese indigo , Japanese indigo and dyer's knotweed . [ 2 ] [ 3 ] [ 4 ] It is native to Eastern Europe and Asia.
Indigofera tinctoria This page was last edited on 15 April 2019, at 19:26 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
The chemical aniline, from which many important dyes are derived, was first synthesized from Indigofera suffruticosa (syn. Indigofera anil, whence the name aniline). In Indonesia, the Sundanese use Indigofera tinctoria (known locally as tarum or nila) as dye for batik. Marco Polo was the first to report on the preparation of indigo in India.
Indigofera linnaei is a spreading, usually prostrate woody herb, 15–50 cm high with a long taproot, [8] which forms a flat mat up to 1.5 m across, and up to 45 cm high. [6] The compound leaves are up to 3 cm long, with (generally) 7 or 9 obovate, alternate leaflets which have a mucronate apex and are about 8–15 mm long and 2–5 mm wide ...