Penstemon speciosus

Species of flowering plant Penstemon speciosus is a species of penstemon known by the common name royal penstemon of western North America. Description It is a perennial herb growing erect to a maximum height near 2–9 centimetres (3⁄4–3+1⁄2 in). The...

Penstemon

Genus of plants Penstemon /ˈpɛnstɪmən/,[1] the beardtongues, is a large genus of roughly 280 species of flowering plants native mostly to the Nearctic, but with a few species also found in the North American portion of the Neotropics.[2] It is the largest genus of...