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NCI Dictionary of Cancer Terms


St. Benedict's thistle  listen  (saynt BEH-neh-diktz THIH-sul)

  A plant whose leaves, stems, and flowers have been used in some cultures to treat certain medical problems. St. Benedict's thistle may have anti-inflammatory and anticancer effects. The scientific name is Cnicus benedictus. Also called blessed thistle, cardin, holy thistle, and spotted thistle.