Penstemon digitalis (foxglove beard-tongue, foxglove beardtongue, talus slope penstemon, or white beardtongue ) is a plant in the plantain family, Plantaginaceae. The flowers are white and are borne in summer. It is native to eastern Canada and eastern and southeastern United States.
Penstemon digitalis is a glabrous 3 to 5 foot tall herbaceous plant with opposite, shiny green, simple leaves, on slender, purple stems. The leaves are up to 5 inches long. While upright, the stems average anywhere ...