Penstemon calycosus, commonly called long-sepal beardtongue, is a species of plant in the plantain family (Plantaginaceae). It is native to eastern North America, where it is native to the Upper South and Midwestern United States. It expanded its range into the northeast United States in the early 20th century. Its natural habitat is in open woodlands, prairies, and bluffs, often over limestone.

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