
Rubia is a genus of flowering plants in the family Rubiaceae. It contains around 80 species of perennial scrambling or climbing herbs and subshrubs native to the Old World. The genus and its best-known species are commonly known as madder, e.g. Rubia tinctorum (common madder), Rubia peregrina (wild madder), and Rubia cordifolia (Indian madder). Rubia was an economically important source of a red pigment in many regions of Asia, Europe and Africa. The genus name Rubia derives from the Latin ruber meaning "red". The plant's roots contain an anthracene compound called alizarin that gives its red colour to a textile dye known as Rose madder. It was also used as a colourant, especially for paint, that is referred to as Madder lake. The synthesis of alizarin greatly reduced demand for the natural compound. Learn more about Madder
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Madder Species Videos
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Common Name | Scientific Name | Conservation Status |
Chilean Firebush (22 videos) | Embothrium coccineum | Not Available |
Firebush (22 videos) | Croton lucidus | Not Available |
Koi (76 videos) | Coprosma kauensis | Not Available |
Quinine (1 videos) | Cinchona calisaya | Not Available |
Tahitian Gardenium (1 videos) | Gardenia taitensis | Not Available |