| Penstemon tubaeflorus | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Plantaginaceae |
| Genus: | Penstemon |
| Species: | P. tubaeflorus |
| Binomial name | |
| Penstemon tubaeflorus | |
Penstemon tubaeflorus, common name white wand beardtongue, is a species of Penstemon found in the United States and the lower parts of 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 barnebyi is a species of penstemon known by the common names White River Valley beardtongue and Barneby's beardtongue. It is native to the mountain and basin territory of central western Nevada, where it grows in sagebrush and woodland; there is also one occurrence just over the California border. This is a hairy perennial herb with erect branches reaching 30 centimeters (1 ft) in maximum height. The oppositely arranged leaves are lance-shaped and up to 7.5 centimeters (3 in) long. There are usually several located around the base of the plant. The inflorescence produces tubular flowers just over one-half centimeter long. They are light purple with a purple-striped white throat lined with yellowish hairs. The protruding staminode is covered in bright orange hairs.
Penstemon floridus is a species of flowering plant in the plantain family known by the common names Panamint beardtongue and rose penstemon.
Penstemon pahutensis is a species of penstemon known by the common name Pahute Mesa beardtongue, or simply Pahute beardtongue. It is native to the desert hills and mountains of southern Nevada, including the Pahute Mesa for which it is named. It can also be found in a few areas over the border in California. It is a perennial herb growing up to 35 centimeters (14 in) tall. The paired, narrow leaves are linear to lance-shaped and up to 10 centimeters (4 in) long. The inflorescence bears blue-purple flowers up to 3 centimeters long. The inside of the wide mouth of the flower is lined with white or yellow hairs, and the staminode is coated in yellow hairs.
Penstemon spectabilis is a species of penstemon known by the common name showy penstemon or showy beardtongue. It is native to southern California and Baja California, where it grows in the chaparral, scrub, and woodlands of the coastal mountain ranges.
Penstemon navajoa is a rare species of flowering plant in the plantain family known by the common name Navajo Mountain beardtongue, or Navajo beardtongue. It is endemic to Utah in the United States, where it is known only from San Juan County.
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 scariosus is a species of flowering plant in the plantain family known by the common name White River beardtongue. It is native to Colorado, Utah, and Wyoming in the United States.
Penstemon canescens is a species of penstemon in the family Plantaginaceae. P. canescens is known by the common names Eastern gray beardtongue or Appalachian beardtongue. It is native to woodlands, forest edges, and roadsides of the southeastern United States and flowers May through July. It is a perennial herb producing stems reaching one meter in maximum height. Penstemon canescens has been used by Native Americans for thousands of years.
Penstemon eriantherus is a species of flowering plant in the plantain family known by the common names fuzzytongue penstemon and crested beardtongue. It is native to western North America, where it occurs in western Canada and the northwestern and north-central United States.
Penstemon davidsonii is a species of penstemon known by the common name Davidson's penstemon, honoring Dr. George Davidson. It is native to North America from the Sierra Nevada Range in California and Nevada through the Coast and Cascade ranges of Oregon and Washington into British Columbia.
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.
Foxglove beardtongue or foxglove penstemon is a common name for several plants and may refer to:
Penstemon multiflorus is a species of flowering plant in the family Plantaginaceae. It is native to the United States and commonly referred to as many-flower penstemon or many-flower beardtongue, is a flowering plant. It is a perennial between 1.5 and 2.5 feet high that blooms with white tubular shaped flowers. Its range includes parts of Alabama, Florida, and Georgia. It is widespread in Florida in well drained upland habitat. The flowers can have a slightly rose colored overcast.
Penstemon pennellianus, often called the Blue Mountain beardtongue or Blue Mountain penstemon, is a species of beardtongue native to Washington and Oregon.
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