Frasera paniculata
Author: Torr.


tufted green gentian


Gentianaceae (Gentian Family)

Close up of Frasera paniculata by Bill Jennings
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Close up of Frasera paniculata. Photo ŠAl Schneider, www.swcoloradowildflowers.com.
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Taxonomic Comments

=Swertia utahensis

Ranks and Status

Global rank: G4
State rank: S1
Federal protection status: BLM Sensitive
State protection status: None

[+] Description and Phenology

Frasera paniculata by Bobbi Angell
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General description: Flowers white or pale green, flecked with dark green; leaves opposite, broadly lanceolate, and white-margined; plants 7-10 dm tall, usually single stemmed; monocarpic perennial.

Look Alikes: Not likely to be confused with other species in this area.

Phenology: June-early July.

[+] Herbarium Photos

Images of Frasera paniculata housed at the Colorado State University Herbarium.

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Click image to enlarge.

[+] Habitat

Habitat of Frasera paniculata by Bill Jennings
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Dry, often sandy habitats, in desert shrub and pinyon-juniper communities (Welsh et al. 1993). Associated taxa include Sabina osterosperma, Rhus aromatica ssp. trilobata, Fraxinus anomala, Atriplex canescens, and Seriphidium tridentatum (Colorado Natural Heritage Program 2012).


Elevation Range: 4,472 - 4,872 feet (1,363 - 1,485 meters)

[+] Distribution

Distribution of Frasera paniculata in Colorado according to mapped land ownership/management boundaries (CNHP 2012, COMaP v9 ).
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Distribution of Frasera paniculata in Colorado
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Colorado endemic: No
Global range: Known from Arizona, Nevada, Utah, New Mexico, and Colorado (USDA NRCS 2012).
State range: Mesa County, Colorado.

[+] Threats and Management Issues

Protection and management issues are not known for the Colorado location of this species.

[+] References

    • Ackerfield, J. 2012. The Flora of Colorado. Colorado State University Herbarium. 433 pp.
    • Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1984. Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Vol. 4, Subclass Asteridae (except Asteraceae). New York Botanical Garden, Bronx. 573 pp.
    • Heil, K.D., S.L. O'Kane Jr., L.M. Reeves, and A. Clifford, 2013. Flora of the Four Corners Region, Vascular Plants of the San Juan River Drainage; Arizona, Colorado, New Mexico, and Utah. Missouri Botanical Garden Press, St. Louis, Missouri. 1098 pp.
    • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
    • Lavender, A.E., M.M. Fink, S.E. Linn, D.M. Theobald. 2011. Colorado Ownership, Management, and Protection v9 Database. Colorado Natural Heritage Program and Geospatial Centroid, Colorado State University, Fort Collins, CO. (30 September).
    • Schneider, A. 2013. Wildflowers, Ferns, and Trees of the Four Corners Regions of Colorado, New Mexico, Arizona, and Utah. Accessed on-line at http://www.swcoloradowildflowers.com.
    • USDA, NRCS. 2013. The PLANTS Database. National Plant Data Team, Greensboro, NC 27401-4901 USA.
    • Weber, W. A. and R. C. Wittmann. 2012. Colorado Flora, Western Slope, A Field Guide to the Vascular Plants, Fourth Edition. Boulder, Colorado. 532 pp.
    • Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.

Last Updated

2013-02-14