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Related to richweed: Collinsonia canadensis


Herbal medicine
A perennial herb that contains alkaloids, saponins and tannins; it is analgesic, gently astringent, laxative, tonic, and has been used for diarrhoea, headaches, haemorrhoids and varicose veins.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.