hound's-tongue
1. [ noun ] (botany) perennial shrub of North America having coarse tongue-shaped leaves and pale-blue to purple flowers
Synonyms: Cynoglossum_virginaticum
Related terms: herb Cynoglossum
2. [ noun ] (botany) biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers
Synonyms: Cynoglossum_officinale
Related terms: herb Cynoglossum