hound's-tongue, n.
biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers
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Cynoglossum officinale hound's-tongue
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Cynoglossum officinale hound's-tongue
perennial shrub of North America having coarse tongue-shaped leaves and pale-blue to purple flowers
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Cynoglossum virginaticum hound's-tongue
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Cynoglossum virginaticum hound's-tongue