Rose madder aka madder
Rose madder (also known as madder) is a red paint made from the pigment madder lake, a traditional lake pigment extracted from the common&nb
1,3-Dihydroxyanthraquinone aka purpuroxanthin or xanthopurpurin
1,3-Dihydroxyanthraquinone, also called purpuroxanthin or xanthopurpurin, is an organic compound with formula C14H8O4 that occurs in the plant Rubia cordifolia (Indian mad
1,2,4-Trihydroxyanthraquinone aka purpurin
1,2,4-Trihydroxyanthraquinone, commonly called purpurin, is an anthraquinone. It is a naturally occurring red/yellow dye. It is formally derived from 9,10-anthraquinone by repl
Rubia tinctorum aka rose madder, common madder, dyer’s madder
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 Rubiacea.
Rubia cordifolia aka common madder or Indian madder
Rubia cordifolia, often known as common madder or Indian madder, is a species of flowering plant in the coffee family, Rubiaceae. It has been cultivated for a red pigment d
Rubia peregrina aka common wild madder
Rubia peregrina, the common wild madder, is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiaceae. Etymology The genus name Rubia d
Rubia
Rubia is the type genus of the Rubiaceae family of flowering plants, which also contains coffee. It contains around 80 species of perennial scrambling or climbing herbs an