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Penstemon aridus
Also called Stiff Leaf Beardtongue
Penstemon aridus, commonly called the stiffleaf penstemon, is a species from the northwestern United States in Idaho, Montana, and Wyoming. It is a member of the veronica family.
Stiffleaf penstemons are native to three northwestern interior states, Wyoming, Montana, and Idaho. In Wyoming they are found in the north in the Bighorn Mountains extending north into Montana and the northern half of the Absaroka Range to the west. To the north they grow in the south central and southwestern parts of Montana and over the mountains into eastern Idaho. The species is recorded at elevations of 1,500 to 2,900 meters (4,900–9,500 ft).
The stiffleaf penstemon is planted in gardens, particularly in the northern Great Plains. As a small plant, it can be overwhelmed by larger species and is easily overlooked, but is recommended as a plant for troughs with other small rock garden species.
Firleaf beardtongue · Stemless beardtongue · Sharpleaf penstemon · Los Alamos beardtongue · Alberta beardtongue · White penstemon · White River Beardtongue · Whitemargin beardtongue · Gilia beardtongue · Penstemon angelicus · Siskiyou beardtongue · Broadbeard beardtongue
Text excerpted from the Wikipedia article Penstemon aridus by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
