Penstemon azureus is a flowering plant species known by the common name azure penstemon. It is native to the mountains of Oregon and northern California. It grows in coniferous forests and woodlands in the Klamath Mountains, North California Coast Ranges, Southern Cascade Range, and Northern Sierra Nevada.
Penstemon centranthifolius is a species of penstemon known by the common name scarlet bugler. It is native to California and parts of Mexico, where it grows in many types of dry habitat from coast to desert, such as chaparral and oak woodland.
Penstemon clevelandii is a species of penstemon known by the common name Cleveland penstemon. It is native to southern California and Baja California, where it grows in mountain and desert habitat such as scrub, woodland, and chaparral.
Penstemon grandiflorus, known by the common names shell-leaved penstemon, shell-leaf beardtongue, or large-flowered penstemon, is a tall and showy plant in the Penstemon genus from the plains of North America. Due to its large flowers it has found a place in gardens, particularly ones aimed at low water usage like xeriscape gardens.
Penstemon acuminatus is a species of flowering plant in the plantain family known by the common names sharpleaf penstemon and sand-dune penstemon. It is native to the dry interior of the northwestern United States.
Penstemon angustifolius is a perennial semi-evergreen forb belonging to the plantain family. This species is 1 out of roughly 273 species of Penstemon. This species is also known as broadbeard beardtongue. This forb is native to central United States and can be noticed by its brightly and highly variable colored flowers.
Penstemon attenuatus is a species of flowering plant in the plantain family known by the common names sulphur penstemon and taperleaf beardtongue. It is native to the northwestern United States.
Penstemon comarrhenus is a perennial plant in the plantain family (Plantaginaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.
Penstemon cyanocaulis, the bluestem penstemon or bluestem beardtongue, is a perennial plant in the plantain family (Plantaginaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.
Penstemon cobaea is a flowering plant in the plantain family, commonly known as Cobaea beardtongue, prairie penstemon or foxglove penstemon. The plant is native to the central United States, primarily the Great Plains from Nebraska to Texas, with additional populations in the Ozarks of Missouri and Arkansas. There are also populations reported in the southwestern United States as well as in Illinois and Ohio, but these appear to be introductions.
Penstemon brevisepalus, commonly known as short-sepaled beardtongue, is an herbaceous plant in the plantain family. It is a perennial that produces pale lavender flowers in late spring.
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 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.
Penstemon australis is a perennial plant native to the southeastern United States, with the common name Eustis Lake penstemon.
Penstemon virens, commonly known as blue mist penstemon, Front Range penstemon, or Green beardtongue, is a common Penstemon in the Front Range foothills in Colorado and Wyoming. The dainty flowers are an ornament to many rocky or sandy area within its range. It is confusingly similar to Penstemon humilis and Penstemon albertinus though the ranges of these plants do not overlap in the wild. The origin of calling it the "blue mist penstemon" is not precisely known, but is thought to relate to the large number of blue flowers the plant can produce reminding observers of a blue mist.
Penstemon albidus, commonly known as white penstemon, white-flower beardtongue, or Red-Line Beardtongue is a very widespread perennial flower of the mixed-grass and shortgrass prairies. Its natural distribution is from Manitoba and Alberta in Canada to Texas and New Mexico in the United States. The bright white flowers for which they are named are quite attractive to both bees and hummingbird moths.
Penstemon cyathophorus, commonly known as cupped penstemon or Middle Park penstemon, is a species of flowering plant that grows in a small area in the mountains of northern Colorado and a smaller area of southern Wyoming. As a rare species with a limited range it is vulnerable to human development. It is not a large plant and is often found growing amid sagebrush plants in mountain basins and valleys.
Penstemon arenicola, commonly known as Red Desert penstemon, is a species of plant from the Western United States. It primarily grows in Wyoming, but it also grows in small areas of Colorado and Utah. It is a short plant known for growing in sand as referenced by its scientific name.
Penstemon albifluvis, the White River penstemon, is a disputed species or variety of Penstemon that grows in a small area in eastern Utah and western Colorado. It grows mainly on broken shale and rock formations in desert habitats. White River penstemon is very rare.
Penstemon watsonii is a flowering plant that grows largely in Nevada, Utah, and Colorado. It grows in dry rocky areas and has blue to violet flowers.
Penstemon ophianthus, the coiled anther penstemon, is a species of small perennial plant in the plantain family. It has very noticeable dark violet lines on its flowers over a lighter blue-lavender color. The species grows in the plateaus and canyon lands of western Colorado and New Mexico, northern Arizona, and southern Utah.
