couch grass(redirected from witch grass)
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Related to witch grass: Panicum capillare
couch grassHerbal medicine
A perennial grass, the rhizomes of which contain inositol, mannitol, mucilage, saponin, vitamins A and B, and volatile oil; it is antimicrobial, diuretic and a liver tonic, and has been used to treat urinary tract disease, kidney stones and prostatitis.
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