| Penstemon pallidus | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Plantaginaceae |
| Genus: | Penstemon |
| Species: | P. pallidus |
| Binomial name | |
| Penstemon pallidus Small | |
Penstemon pallidus, the pale beardtongue, is a flower native to the eastern United States. It has been introduced to Canada. [1]
Penstemon, 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. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.
Penstemon palmeri, known by the common name Palmer's penstemon, is a species of perennial flowering plant in the genus Penstemon that is notable for its showy, rounded flowers, and for being one of the few scented penstemons. The plant, in the family Plantaginaceae, is named after the botanist Edward Palmer.
Keckiella is a genus of plants in the plantain family. It includes several species of plants known commonly as keckiellas. A few species may be called beardtongues or penstemons because all keckiellas once belonged to genus Penstemon as the section Hesperothamnus. Keckiellas are native to the American southwest, especially California. They bloom in attractive snapdragon-like flowers. Genus Keckiella was named after the American botanist David D. Keck.
Penstemon digitalis is a species of flowering plant in the plantain family, Plantaginaceae. The flowers are white and are borne in summer. It is native to eastern Canada and the eastern and southeastern United States. Penstemon digitalis is the most widespread species of Penstemon east of the Mississippi River.
Penstemon haydenii, the blowout penstemon or blowout beardtongue, is a species of flowering plant in the genus Penstemon and the family Plantaginaceae. The warm-season perennial is native to nine counties in the Nebraska Sand Hills and a single location in Carbon County, Wyoming. The plant has a milky blue color with a waxy cuticle, pale purple leaves, and an alternating leaf pattern with one central stalk. The flowers, while in the inflorescence stage, originate from the bases of the leaves of the plant. Blowout penstemon flowers from May until early June and drops its seeds from late August into September.
Penstemon laevigatus, the eastern smooth beardtongue, is a plant in the plantain family, Plantaginaceae. The flowers are borne in summer. Its native range includes much of the Eastern United States, from Maine to Michigan and Georgia to Mississippi. It can grow in either sunny or shady conditions.
Penstemon personatus is an uncommon species of penstemon known by the common name closethroat beardtongue.
Penstemon grandiflorus, the large-flowered beardtongue or large beardtongue, is a perennial flowering plant endemic to the United States. It is considered a synonym for Penstemon bradburyi by Plants of the World Online.
Penstemon pinorum is a rare species of flowering plant in the plantain family known by the common names Pine Valley penstemon and pinyon penstemon. It is endemic to Utah in the United States, where it is known only from an area along the border between Washington and Iron Counties.
Penstemon rhizomatosus is a rare species of flowering plant in the plantain family known by the common names Scheel Creek beardtongue and rhizome beardtongue. It is endemic to Nevada in the United States, where it occurs only in the Schell Creek Range of White Pine County.
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 northwestern United States, where it occurs in Washington, Oregon, Idaho, Utah, and Nevada.
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 hartwegii, common name Hartweg's beardtongue, is a species of flowering perennial herb in the plantain family.
Penstemon linarioides is a plant species in the genus Penstemon. Its common names include toadflax penstemon, toadflax beardtongue and Colorado narrowleaf beardtongue. It grows in Nevada, Arizona, Utah, Colorado, and New Mexico.
Penstemon rydbergii, commonly known as Rydberg's penstemon or meadow penstemon, is a perennial plant in the plantain family (Plantaginaceae) that grows in damp, grassy meadows of the Great Basin and Rocky Mountains of the western United States.
Penstemon cobaea is a flowering plant in the plantain family, commonly known as cobaea beardtongue, prairie beardtongue 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 longsepal 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 tenuis is a species of flowering plant in the plantain family known by the common name sharpsepal beardtongue. It is endemic to Texas, Louisiana, Mississippi, and Arkansas in the United States where it is found in open, damp areas in alluvial soil. It flowers from early April into early June.
Penstemon arkansanus is a species of flowering plant in the plantain family known by the common name Arkansas beardtongue. It is endemic to Texas, Arkansas, Oklahoma, Missouri, and Illinois in the United States, occurring in rocky or sandy soils of shale or sandstone.
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