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Yampa beardtongue

Penstemon yampaensis

Yampa beardtongue
Photo: Ernie Marx, CC BY 4.0

Yampa beardtongue is a rare, very low-growing species that forms flat mats of narrow leaves with almost no visible stem, native to dry ridges in Colorado, Wyoming and Utah. It is not commonly grown, and its key to success is its need for dry, gritty, well-drained soil and full sun.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings; overwatering causes rot.
Soil
Sandy or gritty, well-drained soil; poor soil is fine.
Temperature
Cold-hardy in temperate climates; tolerates winter cold and hot summers typical of its range.
How easy
Moderate
Native range
Wyoming to Utah
Climate
temperate

About

Penstemon yampaensis, the Yampa penstemon, is a rare species of plant from the western United States. It grows in the Yampa River drainage of Colorado and Wyoming and westward into Utah. It is one of the more unusual penstemons, having almost no stem. It is threatened from habitat disturbance, particularly the invasion of the non-native cheatgrass.

Where it grows

Penstemon yampaensis has a natural distribution near where the states of Colorado, Utah, and Wyoming meet. It is recorded from just four counties. In Colorado it grows in Moffat County at the northwest corner of the state. In Utah it grows in two counties in the easternmost portion of the state Daggett and Uintah . To the north it is found in Sweetwater County, Wyoming. There are less than 40 known locations where it grows across its range.

Other Penstemon plants

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 yampaensis 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.

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