About Penstemon hirsutus (L.) Willd.
Penstemon hirsutus (L.) Willd., commonly called hairy beard-tongue, is a species of flowering plant in the plantain family. It is native to southern Quebec and Ontario in Canada, and across eastern United States, where it occurs in Wisconsin, Michigan, Ohio, Indiana, Illinois, Kentucky, Tennessee, West Virginia, Virginia, Maryland, Delaware, New York, New Jersey, Rhode Island, Pennsylvania, Connecticut, Massachusetts, Vermont, New Hampshire, and Maine. This is a perennial plant that grows hairy stems reaching up to 90 centimetres tall, which is the source of its species name hirsutus. Its leaves are opposite, stalkless, and lanceolate. Penstemon hirsutus grows in dry alvars, prairies, savannas, and old fields.