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Gentianopsis thermalis (Rocky mountain fringed gentian)
Davis, Dick

Gentianopsis thermalis

Gentianopsis thermalis (Kuntze) Iltis

Rocky Mountain Fringed Gentian, Western Fringed Gentian

Gentianaceae (Gentian Family)

Synonym(s): Gentiana detonsa var. unicaulis, Gentiana elegans, Gentiana thermalis, Gentianella detonsa ssp. elegans, Gentianella detonsa var. elegans, Gentianopsis detonsa var. elegans, Gentianopsis elegans


USDA Native Status: L48 (N)

Several clumped stems with few leaves at base, 2-4 pairs of leaves on stem, and few bell-shaped, deep blue or blue-violet flowers at stem ends or in upper leaf axils on leafless stalks.

This genus differs from Gentiana by the absence of pleats between the corolla lobes. This species is sometimes combined with the more northerly G. detonsa into one large, very variable, wide-ranging species. This species was named "thermalis" after the hot springs in Yellowstone National Park where it is the park flower. The Tufted Gentian (G. holopetala), of the Sierra Nevada, the mountains of southern California, and extreme western Nevada, is also sometimes combined with G. detonsa; its petals are not fringed or only fringed slightly at the tips.


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb

Bloom Information

Bloom Time: Jul , Aug


USA: CO , ID , MT , NM , NV , UT , WY
Native Distribution: Across Canada, and south throughout most of the western mountains to eastern Nevada, Utah, and northern New Mexico.
Native Habitat: Meadows, bogs, and moist ground.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Gentianopsis thermalis in USDA Plants
FNA: Find Gentianopsis thermalis in the Flora of North America (if available)
Google: Search Google for Gentianopsis thermalis


Record Modified: 2017-10-13
Research By: TWC Staff

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