Persicaria Tinctoria - Färberknöterich

Persicaria Tincoria, also known as Japanese Indigo or dye knotgers, belongs to the family of the Knöterichwächse (Polygonaceae). This plant is characterized by its botanical characteristics, in particular their use for the production of indigo dyes.

Botanical characteristics

Persicaria Tincoria is a one -year -old plant that usually reaches growth heights of 1 to 2 meters. It is characterized by its lanceolate leaves, which are about 5 to 10 cm long and 2 to 4 cm wide. The leaves are green and have characteristic purple spots. The flowers of Persicaria Tinctoria are small and pink to light violet, arranged in long, narrow, cylindrical inflorescences.

However, what makes Persicaria Tincoria special is the fact that it is one of the few plants that can be used to manufacture indigo dyes. The leaves of this plant contain indigoprecursor compounds that lead to the formation of indigo dyes after fermentation and oxidation.

Historical meaning

The use of Persicaria Tincoria for the production of indigo dyes goes far back to history. This natural dye was of great importance in various parts of the world, including in Japan and India.

In Japan, Persicaria Tinctoria played a central role in the tradition of Aizome, the art of indigenous form. The Japanese have developed various techniques for the production and use of indigo dyes over the centuries, with Persicaria Tinctoria playing a key role. This dye was not only used for textiles, but also for wood and paper.

In India, the use of Indigo is also deeply rooted in culture. The Indigo plant, also called indigofera Tincoria, was traditionally used to obtain indigo dyes. It played an important role in the production of colorful fabrics that were estimated in the Indian textile industry.

Modern meaning

Although the use of synthetic indigo is widespread in today's textile industry, Persicaria Tinctoria has experienced a certain renaissance in recent years. The demand for natural and sustainable dyes has led to a new interest in this plant.

Today Persicaria Tinctoria is estimated by some artisans and sustainable fashion designers who revive the old coloring techniques and use natural dyes. This contributes to the preservation of traditional knowledge about the use of Persicaria Tinctoria.