Penstemon Scrophulariaceae Magnoliopsida Magnoliophyta

Genus of plants in the Scrophulariaceae family.

• Penstemon nitidus - Photographs of smooth blue beardtongue, its flowers and penstemon foliage.
• Penstemon procerus - Photographs of slender beardtongue, its flowers and foliage.
• Penstemon albidus - Photographs of white beardtongue, its flowers and foliage.
• Penstemon gracilis - Photographs of lilac-flowered beardtongue, its flowers and foliage.

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