Utah Valley University Herbarium


Accession # 14251 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Tetradymia canescens DC.
Common name   spineless horsebrush
R. Van Buren   909  
   with J. Cooper
Coll. Date 20 July 2005 
United States
Washington County
Locality hill on the W side of Utah Highway 18, 0.2 mile N of Kane Spring, ca. 1.5 miles N of Central.
     Elev.: 5646 ft. (1721 m.)
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 37° 27'  14.43" N, 113° 37'  21.36" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): GPS
Georef. Notes This coordinate was obtained by a GPS unit and an error estimate was not recorded by the user. However due to the accuracy of most units, a polygon diameter between 25 and 250 meters could reasonably be assumed.
Voucher Voucher for "Woody Plants of Utah" by R. Van Buren, K.T. Harper, J. Cooper 
Specimen Notes Journal Code: L11S1. 


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Tetradymia canescens DC.

     Tetradymia canescens var. inermis (Rydb.) Payson

Common Name(s): gray horsebrush, spineless horsebrush.

Taxonomic Hierarchy: (ITIS TSN=38494, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Tetradymia
                                        Species: Tetradymia canescens


Images of other samples of the same species:
specimen image: 02027s1.jpg 
specimen image: 02304s1.jpg 
specimen image: 03281s1.jpg 
specimen image: 04642s1.jpg 
specimen image: 09001s1.jpg 
specimen image: 11923c1.jpg 
specimen image: 11923d1.jpg 
specimen image: 11923s2.jpg 
specimen image: 15598s1.jpg 
specimen image: 15808s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
14255 Eriogonum microthecum  var. simpsonii   "Simpson's wild buckwheat" 1.4 mi. N
08125 Gilia inconspicua      "Nevada gilia" 1.8 mi. NE
14253 Peraphyllum ramosissimum      "wild crab apple" 1.5 mi. N
03020 Peraphyllum ramosissimum      "wild crab apple" 1.8 mi. NE
14254 Petradoria pumila      "common rock goldenrod" 1.4 mi. N
14604 Phlox austromontana      "southern phlox" 1.1 mi. NE
14252 Purshia mexicana      "Mexico cliffrose" same section


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Kane Spring (Spring) Washington County, UT 870 ft. S 5624  Central East 
Hiway Spring (Spring) Washington County, UT 1.5 mi. N 5988  Central West 
California Hollow (Valley) Washington County, UT 1.6 mi. S   Central West 
Dan Sill Hill (Summit) Washington County, UT 1.7 mi. N 5883  Central West 
Abe Spring (Spring) Washington County, UT 1.8 mi. N 5863  Central West 
Dan Sill Creek (Stream) Washington County, UT 1.5 mi. W   Central East 
Mountain Meadow (Park) Washington County, UT 1.9 mi. NW 5656  Central West 
Deep Canyon (Valley) Washington County, UT 1.7 mi. NW   Central West 
Dixie Deer Airport (Airport) Washington County, UT 2.5 mi. S 5230  Central West 
Central (Populated Place) Washington County, UT 2.6 mi. S 5250  Central East 
Oak Spring (Spring) Washington County, UT 2.8 mi. NE 6411  Central East 
Red Butte (Summit) Washington County, UT 2.8 mi. SW 5725  Central West 
Eightmile Spring (Spring) Washington County, UT 2.4 mi. E 6300  Central East 
Blue Spring (Spring) Washington County, UT 2.9 mi. NW 5889  Central West 
Mahogany Creek (Stream) Washington County, UT 3.6 mi. S   Saddle Mountain 
Mountain Home Spring (Spring) Washington County, UT 3 mi. E 7205  Central East 
Lark Canyon (Valley) Washington County, UT 3.5 mi. SE   Saddle Mountain 
Atchinson Mountain (Summit) Washington County, UT 3.2 mi. E 7845  Central East 
Kane Spring Draw (Valley) Washington County, UT 4.1 mi. S   Central East 
Mud Spring (Spring) Washington County, UT 4 mi. SE 5935  Central East 


Taxon Links for species Tetradymia canescens  DC.

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

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