Rubia tinctorum, the rose madder or common madder or dyer's madder, is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiaceae. The common madder can grow up to 1.5 m in height. The evergreen leaves are approximately 5–10 cm long and 2–3 cm broad, produced in whorls of 4–7 starlike around the central stem.

madder, (genus Rubia), genus of about 80 species of perennial plants in the madder family (Rubiaceae), several of which were once commonly used as a source of dye. Madder species are distributed throughout the Mediterranean region, Asia, Africa, and the Americas.

Several species, such as Rubia tinctorum in Europe, Rubia cordifolia in India, and Rubia argyi in East Asia, were extensively cultivated from antiquity until the mid nineteenth century for red dye, commonly called madder. Cloth dyed with it has been found on Egyptian mummies.

2022年8月30日 · Madder (Rubia tinctorum) is a plant native to the Mediterranean that has been used for centuries to make reliably vivid red dye. The plant is a perennial that is hardy in USDA zones 5 through 9, but in colder zones it can be grown in containers and overwintered indoors.

2017年1月21日 · With its scrambling habit and close resemblance to cleavers, most people would not judge Common Madder an attractive garden plant. However, if weeds are kept at bay, large beds of madder produce beautiful clouds of tiny yellow star-shaped flowers in July/August and glossy black berries in October.

Madder (Rubia tinctorum) is a perennial herbaceous plant that belongs to the Rubiaceae family of coffee and bedstraw. Madder flowers are tiny and between 3 and 5 mm in diameter. Each flower has 5 petals in shades of yellow, and they bloom in summer.

2024年7月6日 · Rubia tinctorum, also known as the madder plant, is a perennial plant native to Asia and Europe, and is renowned for its vibrant red to purple roots that have been used as a natural dye for centuries.

Madder is a plant known almost exclusively as a dye plant. The long fleshy root, when dried and milled, yields a variety of colors: red, pink, brown, orange, black, lilac, and purple, depending upon the mordant used. Madder has been raised commercially for its dye value.

The evergreen plant has small, yellow flowers and is native to Asia. The roots are used to produce a pink dye when grown in alkaline soil. Madder-dyed cotton textiles dating from around 5,000 years ago are known from the Indus civilisation. Madder was used by the ancient Egyptians, Greeks and Romans for dyeing textiles and to make a pink paint.

Madder (Rubia tinctorum) is a perennial plant that has been used to dye textiles for thousands of years. Used with a mordant of alum, it produces a red color. Madder is mostly used on wool, cotton, silk and leather. The part of the plant that is used to produce the dye is the root which can be harvested when it is two years old.