Rubia
Synonyms
Rubia cordifolia
Rubia cordifolias
Rubia tinctorum
Rubia tinctorums
Rubias
cordifolia, Rubia
tinctorums, Rubia
A plant genus of the family RUBIACEAE. The root is a source of red dyes (madder color and 1,2,4-trihydroxy-9,10-anthracenedione) and ANTHRAQUINONES.