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Foxglove Beardtongue, known scientifically as Penstemon digitalis, is a clump-forming herbaceous perennial native to the eastern and central United States. As a member of the plantain family, Plantaginaceae, it is characterized by its upright stems and opposite, lance-shaped leaves. In late spring a...
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Hairy beardtongue (Penstemon hirsutus) is an herbaceous perennial native to the rocky woodlands and dry slopes of eastern North America. The plant is identifiable by its small, tubular flowers that transition from a pale lavender hue to white, as well as its notably hairy stems and foliage. It posse...
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