Keckiella antirrhinoides is a species of flowering shrub in the plantain family known by the common names snapdragon penstemon and chaparral beardtongue.
Keckiella corymbosa is a species of flowering shrub in the plantain family known by the common names redwood keckiella, red beardtongue, and red shrubby penstemon.
Nothochelone is a monotypic genus of flowering plants in the plantain family containing the single species Nothochelone nemorosa, which is known by the common name woodland beardtongue. Originally described as Penstemon nemorosus, the plant is very similar in appearance to the penstemons, but was separated and placed into its own genus on the basis of slight morphological differences, such as winged seeds.
Penstemon anguineus is a species of penstemon known by the common name Siskiyou beardtongue. It is native to the mountains of Oregon and northern California, where it grows in coniferous forests, often in open areas left by logging operations. It is a perennial herb reaching up to about 90 centimeters in maximum height. The oppositely arranged leaves are lance-shaped to oval, the ones higher on the plant clasping the stem. The inflorescence produces several light blue or purple flowers between 1 and 2 centimeters long. The sepals and flowers are coated in glandular hairs. The inside of the flower has many long hairs and the staminode has a sparse hair coating.
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 cinicola is a species of penstemon known by the common name ash penstemon. It is native to northeastern California and southern Oregon, where it grows in forests and plateau habitat. It is a perennial herb with upright branches 40 centimeters (16 in) maximum height. The leaves are 3 to 6 centimeters long, linear in shape, folded lengthwise, and curved backwards. The inflorescence produces tubular flowers with wide lipped mouths. The flower is blue-purple in color, just under one centimeter long, and hairless except for hairs on the floor of the mouth and on the staminode.
Penstemon clevelandii is a species of penstemon known by the common name Cleveland's beardtongue. It is native to southern California and Baja California, where it grows in mountain and desert habitat such as scrub, woodland, and chaparral. It is a perennial herb with upright, branching stems 70 centimeters in maximum height. The thick leaves are oval in shape, sometimes toothed, and 2 to 6 centimeters in length. The inflorescence produces tubular flowers with expanded, lipped mouths. The flower is pink to magenta in color, up to 2.4 centimeters in length, and somewhat glandular on the outer surface.
Penstemon eatonii is a species of flowering plant in the genus Penstemon, known by the common names Eaton's penstemon and firecracker penstemon. It is native to the Western United States from Southern California to the Rocky Mountains. It grows in many types of desert, woodland, forest, and open plateau habitat.
Penstemon floridus is a species of flowering plant in the plantain family known by the common names Panamint beardtongue and rose penstemon.
Penstemon labrosus is a species of penstemon known by the common name San Gabriel beardtongue. It is native to the Transverse Ranges of southern California, including the San Gabriel Mountains, and the Peninsular Ranges to the south, its distribution extending into Mexico. It grows in forest and woodland habitat. It is a perennial herb growing erect to about 70 centimeters tall. The long, paired leaves are linear in shape with rolled, untoothed edges, and reach over 8 centimeters in maximum length. The inflorescence produces bright red to orange or yellowish flowers 3 to 4 centimeters long. The upper lip is hood-shaped and the lower is divided into 3 narrow lobes which are sometimes reflexed. The flower is hairless, including the staminode.
Penstemon personatus is an uncommon species of penstemon known by the common name closethroat beardtongue.
Penstemon procerus is a species of penstemon known by the common name littleflower penstemon. It is native to western North America from Alaska to California to Colorado, as far east in Canada as Manitoba, where it grows in mountain habitat such as meadows, often in alpine climates. This herbaceous perennial forms mats of herbage with some erect stems reaching about 40 centimeters in maximum height. There are several varieties which vary in morphology, some more decumbent than others, some of which are known commonly as pincushion penstemons for their matted forms. In general, the leaves are lance-shaped to oval, plentiful around the base of the plant with smaller ones arranged in opposite pairs along the stem. The inflorescence is made up of one or more clusters of tubular flowers with lipped, lobed mouths. Each flower is no more than one centimeter in length and is purple to blue in color, often with a white throat. The outside of the flower is generally hairless, while the inside may be lined with white or yellowish hairs.
Penstemon sudans is a species of penstemon known by the common name Susanville beardtongue. It is native to northern Nevada and northeastern California, especially in the vicinity of Susanville, where it grows in scrub and forest habitat, often in rocky soils. It is a glandular, sticky perennial herb growing erect to a maximum height over half a meter. The toothed, oval leaves are 3 to 6 centimeters long. The inflorescence bears tubular flowers with wide mouths each divided into a double-lobed upper lip and a triple-lobed lower lip, the whole flower about a centimeter in length. It is cream-colored with dark-red lines.
Penstemon utahensis is a species of penstemon known by the common names Utah beardtongue and Utah penstemon. It is native to the southwestern United States, where it grows in scrub, woodland, and canyons. It is a perennial herb growing erect to a maximum height near half a meter. The thick leaves are located around the base of the plant and in opposite pairs along the stem. The upper leaves are lance-shaped and often folded lengthwise, measuring up to 5.5 centimeters long. The showy inflorescence bears many bright red-pink flowers up to 2.5 centimeters in length. They are cylindrical, tubular, or funnel-shaped with wide, lobed mouths, and mostly hairless to slightly hairy and glandular.
Penstemon venustus is a species of penstemon known by the common names Venus penstemon and alpine penstemon. It is native to the northwestern United States, where it grows in many types of open habitat. It is a spreading shrub growing erect to a maximum height near 80 centimeters. The thick, stiff leaves are lance-shaped, serrated, and up to 12 centimeters in length. The showy inflorescence bears many tubular lavender flowers, the largest nearly 4 centimeters long. The mouth of the flower and the staminode are covered in long, white hairs. This penstemon is cultivated for use in wilderness landscaping in its native habitat.
Erythranthe hymenophylla, synonym Mimulus hymenophyllus, is a species of flowering plant in the lopseed family known by the common names thinsepal monkeyflower and membrane-leaf monkeyflower. It is native to Hells Canyon on the border between Oregon and Idaho in the United States. It has also been reported from Montana.
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 barrettiae is a species of flowering plant in the plantain family known by the common name Barrett's beardtongue or Barrett's penstemon. It is endemic to a small part of the Pacific Northwest of North America.
Penstemon degeneri is a species of flowering plant in the plantain family known by the common name Degener's beardtongue. It is endemic to Colorado in the United States, where it occurs in and around the Arkansas River Canyon in Fremont, Custer, and Chaffee Counties.
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.
