“Biological diversity is the key to the maintenance of the world as we know it.”
~ E.O. Wilson, Biodiversity
Basal leaves on long stalks, smooth; leaf margin mostly smooth to slightly toothed; lower surface occasionally a faint purple
Up to 4 feet, but usually shorter
This is the tallest of four white-flowered Penstemon species in Missouri. Of the five stamens one is modified into a hairy “tongue” and positioned centrally, likely to attract insects for pollination
Common throughout Missouri, it is found in habitats that range from fallow fields to native prairies to woodland edges. Foxglove beard tongue grows in moist to dry soil conditions. Easy to establish from seed, it often colonizes areas being restored, but declines over time.