Keckiella lemmonii is a species of flowering plant in the plantain family known by the common name Lemmon's keckiella.
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 azureus is a flowering plant species known by the common name azure penstemon.
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 filiformis is an uncommon species of Penstemon known by the common name threadleaf beardtongue. It is endemic to the Klamath Mountains of northern California, where it grows in forest and woodland, often on serpentine soils. It is a perennial herb growing up to half a meter tall, its stem hairy and woody toward the base. The leaves are very narrow, linear and rolled to threadlike, reaching up to 7 centimeters long, those low on the plant sometimes borne in clusters. The inflorescence produces hairless, tubular or funnel-shaped blue to purple flowers just over a centimeter in length.
Penstemon fruticiformis is a species of penstemon known by the common name Death Valley beardtongue. It is native to the western United States, where it is found growing in rocky scrub, woodlands, deserts and mountains of eastern California and western Nevada. It is known from scattered occurrences around Death Valley, and only one of the two varieties occurs on the Nevada side of the border. It is a perennial herb producing spreading, multibranched, hairless and waxy stems 30 to 60 centimeters tall. The thick leaves are generally lance-shaped, folded and rolled, and up to 6.5 centimeters in length. The inflorescence produces several white or pale pinkish-lavender flowers between 2 and 3 centimeters long. The mouth of the flower bears a stark, dark line on each of its three lower lobes, nectar guides for its pollinators which probably include native bumble bees.
Penstemon gracilentus is a species of penstemon known by the common names slender beardtongue and slender penstemon. It is native to the mountains and sagebrush plateau of northeastern California, western Nevada, and southern Oregon, where it grows in forest, woodland, and scrub habitat. It is a perennial herb producing upright branches to about 65 centimeters in maximum height, the stems developing woody bases. The leaves are up to 10 centimeters in length and linear or lance-shaped. The glandular inflorescence produces several tubular purple flowers up to 2 centimeters long. The mouth of each flower may be hairless or coated in long hairs, and the staminode usually has a coat of yellow hairs.
Penstemon heterodoxus is a species of penstemon known by the common name Sierra beardtongue. It is native to California and western Nevada where it grows in several of the mountain ranges from the Klamath Mountains to the Sierra Nevada - and the slopes and plateaus to the east. It grows in subalpine and alpine climates in mountain forests, meadows and talus.
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 laetus is a species of penstemon known by the common names mountain blue penstemon and gay penstemon. It is native to the inland mountains of Oregon and California, where its distribution extends from the Klamath Mountains through the Sierra Nevada to the Transverse Ranges. It grows in forest, scrub, and other local mountain habitat. It is a perennial herb growing erect to about 75 centimeters tall, its base becoming woody. The leaves are linear to lance-shaped and up to 10 centimeters long. The glandular inflorescence bears blue or purple flowers up to 3.5 centimeters long. The wide-mouthed tubular or funnel-shaped flower is glandular on the outer surface and mostly hairless on the inside.
Penstemon monoensis is a species of penstemon known by the common name Mono penstemon. It is endemic to the White and Inyo Mountains of eastern California, where it grows in scrub, woodland, and sandy washes. It is a perennial herb growing erect to about 30 centimeters tall, gray-green in color from a dense coating of light hairs. The paired leaves are lance-shaped, sometimes toothed or wavy along the edges and up to 12 centimeters long. The glandular inflorescence bears cylindrical or funnel-shaped flowers in shades of bright to deep pink, measuring around 2 centimeters in length. The mouth of the flower may have a white or pale area on the floor with a patch of hairs, and the staminode is usually hairy.
Penstemon neotericus is a species of penstemon known by the common name Plumas County beardtongue. It is endemic to California, where it is known from the northern Sierra Nevada and adjacent southern peaks of the Cascade Range. It grows in forest, scrub, and other mountain habitat. It is a perennial herb growing erect to about 80 centimeters tall, becoming woody toward the base. The paired leaves are lance-shaped and nearly 9 centimeters in maximum length. The glandular inflorescence bears blue-purple or pinkish flowers up to 4 centimeters long. The flowers have white, mostly hairless mouths and hairless staminodes.
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 roezlii is a species of penstemon known by the common name Roezl's penstemon. It is native to Oregon, western Nevada, and adjacent sections of northern California, including the Klamath Mountains and Sierra Nevada, where it grows in sagebrush and forest habitat types. It is a hairy, erect perennial herb growing to a maximum height of 55 centimeters from a woody, branching base. The leaves are up to 7 centimeters long, linear to widely lance-shaped and often folded lengthwise. The glandular inflorescence bears wide-mouthed tubular flowers up to 2.2 centimeters long in shades of blue-purple. The flowers are mostly hairless except for thin glandular hairs on the outer surfaces.
Penstemon rupicola is a species of penstemon known by the common names cliff beardtongue or rock penstemon. It is native to the west coast of the United States from Washington to the Klamath Mountains of far northern California, where it grows in rocky mountainous habitat. It is a clumpy, mat-forming subshrub growing no more than 14 centimeters high. The thick, waxy, oppositely arranged leaves are round or oval and up to 2 centimeters long. The showy wide-mouthed tubular flowers emerging from the mat may be nearly 4 centimeters in length and are shades of light purple to bright pink.
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 thurberi is a species of penstemon known by the common names Thurber's beardtongue and Thurber's penstemon. It is native to the southwestern United States and northern Mexico, where it grows in many types of desert and mountain habitat, including sandy flats, chaparral, scrub, and woodlands. It is a shrub growing erect and somewhat rounded in form, reaching around 80 centimeters in maximum height. Many slender stems emerge from its woody base. The leaves are narrow, linear in shape, with edges rolled upward nearly into a tube. The long inflorescence bears funnel-shaped lavender, pink, or pale blue-purple flowers up to 1.5 centimeters in length.
Penstemon tracyi is a rare species of penstemon known by the common names Trinity penstemon and Tracy's beardtongue.
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.
