1. Perennial shrub of North America having coarse tongue-shaped leaves and pale-blue to purple flowers
   "Hound's-tongue grows abundantly in the woodland understory";
   - Cynoglossum virginianum
    
2. Biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers
   "Hound's-tongue spread throughout the meadow";
   - Cynoglossum officinale

Derived forms: hound's-tongues

Type of: herb, herbaceous plant

Part of: Cynoglossum, genus Cynoglossum

Encyclopedia: Hound's-tongue