Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Penstemon rostriflorus is a species of penstemon known by the common name Bridge penstemon, or Bridges' penstemon. It is native to the southwestern United States, where it grows in many types of sagebrush, scrub, woodland, and forest habitat. It is a perennial herb growing in clumps of many erect stems from a woody base. It may reach one meter in height. The leaves are linear to lance-shaped, smooth-edged, and up to 7 centimeters long. The glandular inflorescence bears tubular red to orange-red flowers 2 to 3 centimeters long. The mouth of the flower has a hooded upper lip and a three-lobed lower lip.