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Definition of Narrow-leaf penstemon
1. Noun. Plant having small narrow leaves and blue-violet flowers in long open clusters; Utah and Colorado to New Mexico and Arizona.
Exact synonyms: Penstemon Linarioides
Generic synonyms: Wild Flower, Wildflower
Group relationships: Genus Penstemon, Penstemon
Generic synonyms: Wild Flower, Wildflower
Group relationships: Genus Penstemon, Penstemon