Blessed thistle

Definition of blessed thistle

blessed thistle

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

Source: NCI Dictionary of Cancer Terms