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Penstemon spectabilis is a perennial herb that grows in an upright or mounding fashion, attaining a maximum height of 2-4 feet and a maximum width of 3-4 feet during its 5-10 year lifespan. [ 1 ] The thin leaves are lance-shaped to oval, toothed on the edges, [ 2 ] and up to 10 centimeters in length.
These 281 species of Penstemon are considered valid by both World Flora Online (WFO) and Plants of the World Online (POWO), with the exception of Penstemon grandiflorus. [1] [2] In both POWO and WFO, it is regarded as a synonym of Penstemon bradburyi.
Showy beardtongue or showy penstemon is a common name for several plants and may refer to: Penstemon cobaea, native to the south central United States, with pink to purple flowers; Penstemon speciosus, native to the western United States, with blue flowers; Penstemon spectabilis, native to California and Baja California, with purple flowers
Penstemon. ZoomTravels/Getty Images. ... The tall, showy spikes of flowers bloom for weeks. $14 at Burpee. 30. Veronica. Iuliana Niculaie/500px/Getty Images.
Penstemon / ˈ p ɛ n s t ɪ m ən /, [2] the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. . It is the largest genus of flowering plants endemic to North Ameri
The leaves are usually lance-shaped and sometimes folded lengthwise, usually less than 15 cm (6 in) long. They are arranged oppositely and often clasp the stem at the bases. The showy inflorescence bears tubular flowers with expanded mouths 26–38 mm (1– 1 + 1 ⁄ 2 in) long. The flowers are light to deep blue, lavender, and purple, and ...
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.
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 rupicola is included in Penstemon subgenus Dasanthera, along with P. barrettiae, P. cardwellii, P. davidsonii, P. ellipticus, P. fruticosus, P. lyallii, P. montanus, and P. newberryi. [2]