Utah Valley University Herbarium


Accession # 15431 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Polygala subspinosa S. Watson
Common name   spiny milkwort
Aaron Searle   29  
Coll. Date 20 September 2008 
United States
Utah County
Locality Fivemile Pass vicinity, hills N of Utah Highway 73, ca. 10 km W of Fairfield;
     Elev.: 5300 ft. (1615 m.)
Habitat Notes pinyon-juniper community. 
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 40° 14'  28.89" N, 112° 9'  28.18" 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.


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

     Polygala subspinosa S. Wats.

Common Name(s): spiny milkwort, spiny polygala.

Taxonomic Hierarchy: (ITIS TSN=29319, click for more information and references)

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


Images of other samples of the same species:
specimen image: 01999s1.jpg 
specimen image: 02516s1.jpg 
specimen image: 03416s1.jpg 
specimen image: 04059s1.jpg 
specimen image: 09498s1.jpg 
specimen image: 10939s1.jpg 
specimen image: 10939f1.jpg 
specimen image: 12668d1.jpg 
specimen image: 12668c1.jpg 
specimen image: 12668s1.jpg 
specimen image: 12877d1.jpg 
specimen image: 12877c1.jpg 
specimen image: 12877s1.jpg 
specimen image: 13551s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
01341 Artemisia nova      "black sagebrush" same section
01344 Artemisia tridentata  var. wyomingensis   "Wyoming big sagebrush" same section
04703 Astragalus calycosus  var. calycosus   "Torrey's milkvetch" 1 mi. NW
14872 Chrysothamnus viscidiflorus      "yellow rabbitbrush" 671 ft. NW
14118 Chrysothamnus viscidiflorus      "yellow rabbitbrush" 671 ft. NW
04704 Chrysothamnus viscidiflorus  var. stenophyllus  1 mi. NW
01340 Ephedra viridis  var. viridis  same section
04713 Grindelia nana      "Idaho gumweed" 1 mi. NW
14119 Juniperus osteosperma      "Utah juniper" 671 ft. NW
01342 Juniperus osteosperma      "Utah juniper" same section
15245 Polygala subspinosa      "spiny milkwort" 723 ft. W
14117 Polygala subspinosa      "spiny milkwort" 671 ft. NW
01339 Ribes aureum      "golden currant" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Wells Canyon (Valley) Utah County, UT 1 mi. N   Mercur 
Fivemile Pass (Gap) Tooele County, UT 1.3 mi. SW 5309  Fivemile Pass 
Clay Canyon (Valley) Utah County, UT 2.2 mi. N   Mercur 
Thorpe Hills (Summit) Tooele County, UT 2.3 mi. S 5896  Fivemile Pass 
Fairfield Station (historical) (Building) Utah County, UT 2 mi. NE 5102  Mercur 
Manning Canyon (Valley) Utah County, UT 2.7 mi. N   Mercur 
Sevenmile Pass (Gap) Tooele County, UT 3.1 mi. S 5633  Fivemile Pass 
Clay Mine (Mine) Tooele County, UT 2.7 mi. NW 5650  Mercur 
Sunshine (Locale) Tooele County, UT 3.1 mi. NW 6122  Mercur 
Manning (Locale) Utah County, UT 4 mi. N 5929  Mercur 
Camp Floyd State Historical Site (Locale) Utah County, UT 3.2 mi. E 4899  Cedar Fort 
Camp Floyd Cemetery (Cemetery) Utah County, UT 3.2 mi. E 4895  Cedar Fort 
Big Spring (Spring) Utah County, UT 3.3 mi. NE 4899  Cedar Fort 
Sunshine Canyon (Valley) Tooele County, UT 3.6 mi. NW   Mercur 
Fairfield Cemetery (Cemetery) Utah County, UT 3.6 mi. E 4885  Cedar Fort 
Stage Coach Inn State Historical Site (Locale) Utah County, UT 3.7 mi. E 4879  Cedar Fort 
Fairfield (Populated Place) Utah County, UT 3.7 mi. E 4879  Cedar Fort 
Alma Young Canyon (Valley) Tooele County, UT 3.8 mi. NW   Mercur 
Mitchell Canyon (Valley) Tooele County, UT 4 mi. NW   Mercur 
Pole Canyon (Valley) Utah County, UT 5.3 mi. N   Mercur 


Taxon Links for species Polygala subspinosa  S. Watson

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:

Zooming out might reveal more collections in other states.

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