Utah Valley University Herbarium


Accession # 14851 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Polygala acanthoclada A. Gray
Common name   desert milkwort
R. Van Buren   1555  
   with J. Cooper
Coll. Date 19 May 2007 
United States
San Juan County
Locality valley NE of Monument Pass, N side of US Highway 163, ca. 1.2 miles NE of junction of Douglas Mesa Rd;
     Elev.: 5426 ft. (1654 m.)
Habitat Notes in sand; with Yucca, Quercus, pinyon-juniper; 
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° 3'  46.8" N, 110° 4'  22.3" 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: L10S2. 


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

     Polygala acanthoclada Gray

Common Name(s): desert polygala, thorny polygala.

Taxonomic Hierarchy: (ITIS TSN=29322, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Polygalales
                                Family: Polygalaceae
                                    Genus: Polygala
                                        Species: Polygala acanthoclada


Images of other samples of the same species:
specimen image: 01431s1.jpg 
specimen image: 08302s1.jpg 
specimen image: 08647s1.jpg 
specimen image: 10862s1.jpg 
specimen image: 10895s1.jpg 
specimen image: 11130s1.jpg 
specimen image: 13547s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
14850 Quercus x eastwoodiae  hybrid [gambelii x havardii x turbinella?]  same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Brighams Tomb (Summit) San Juan County, UT 1.3 mi. SW 6746  Monument Pass 
Navajo Indian Reservation (Reserve) San Juan County, UT 1.5 mi. N 5483  Monument Pass 
King-on-his-Throne (Summit) San Juan County, UT 1.7 mi. S 6076  Monument Pass 
Stagecoach (Summit) San Juan County, UT 1.9 mi. S 5870  Monument Pass 
Monument Pass (Gap) San Juan County, UT 1.6 mi. SW 5735  Monument Pass 
Castle Rock (Summit) San Juan County, UT 2 mi. S 5742  Monument Pass 
Bear and Rabbit Summit (Summit) San Juan County, UT 2 mi. S 5912  Monument Pass 
Setting Hen (Summit) San Juan County, UT 2.2 mi. W 5994  Monument Pass 
Big Indian (Summit) San Juan County, UT 3.1 mi. S 5909  Monument Pass 
Eagle Mesa (Summit) San Juan County, UT 2.9 mi. W 6378  Monument Pass 
Eagle Rock (Summit) San Juan County, UT 3 mi. W 6135  Goulding 
Sentinel Mesa (Summit) San Juan County, UT 4.3 mi. S 6418  Monument Pass 
Conical Butte (Summit) San Juan County, UT 4 mi. E 4990  Monument Pass 
East Mitten Butte (Summit) Navajo County, AZ 5.2 mi. S 5594  Mitten Buttes 
West Mitten Butte (Summit) Navajo County, AZ 5.1 mi. S 5597  Mitten Buttes 
Douglas Wash (Valley) San Juan County, UT 4.6 mi. NE   Monument Pass 
Colorado Plateau (Plain) San Juan County, UT 5.9 mi. SE 4944  Monument Pass 


Taxon Links for species Polygala acanthoclada  A. Gray

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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