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Scientific name Authority Common names Photo Penstemon abietinus Pennell: Firleaf beardtongue Penstemon absarokensis Evert: Absaroka Range beardtongue Penstemon acaulis L.O.Williams: stemless penstemon Penstemon acuminatus Douglas ex Lindl. sharpleaf penstemon Penstemon alamosensis Pennell & G.T.Nisbet: Los Alamos beardtongue Penstemon ...
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 / 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 America.
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.
The American botanist Francis W. Pennell was one of the most prominent of the advocates for crediting Nuttall and using the name Penstemon grandiflorus. In a 1926 paper he quotes the short description from the catalogue to establish priority for the name. [9] Though the spelling used in the original publication is Penstemon grandiflorum.
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 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. [1] [2] The plant, in the family Plantaginaceae, is named after the botanist Edward Palmer.
Penstemon cobaea is a flowering plant in the plantain family, commonly known as Cobaea beardtongue, prairie penstemon 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 ...