Madder Root (Rubia Tinctoria) is a perennial herbaceous plant with a height of 30 cm to 1.5 meters. The rhizome of the plant is long, horizontal, branched, and reddish-brown outside, orange-red inside. The subordinate roots extend from the rhizome nodes. The stems are tetrahedral, oppositely branched. Large curved thorns are located on the sides of the stems, with the help of which Madder clings to nearby plants. The leaves of the plant are arranged in whorls of 4-6 pieces. The flowers of the plant are small, yellowish-green, at the ends of the branches are collected in umbrella inflorescences. The fruit is a black drupe with 1-2 seeds. Blossom period is in June-August. Fruiting season is in August-September.