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Penstemon grahamii
Also called Graham's Beardtongue
Uinta Basin beardtongue is a small native perennial with pink to lavender tubular flowers in late spring, found only on calcareous shale in northeastern Utah and Rio Blanco County, Colorado. It needs very sharp drainage and full sun, and does best left in its natural conditions or a gritty rock garden.
Penstemon grahamii, known by the common names Uinta Basin beardtongue and Graham's beardtongue, is a species of flowering plant in the plantain family. It is native to Utah and Colorado in the United States.
This perennial herb produces one or more stems reaching up to about 20 centimeters tall. They are hairy, and in the inflorescence, glandular. The leaves are thick, leathery, and dark green to grayish in color. The basal leaves narrow toward the stem, and the upper leaves clasp the stem. The tubular flowers are between 3 and 4 centimeters long and pink to lavender in color with reddish nectar guides in the throat. The yellow, bearded staminode protrudes from the mouth of the flower. Blooming occurs in May and June.
Scabland penstemon · Bunchleaf penstemon · Penstemon isophyllus · Pineneedle beardtongue · Showy penstemon · Rocky Mountain penstemon · Venus penstemon · Beardtongue
Text excerpted from the Wikipedia article Penstemon grahamii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
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.
