Utah Valley University Herbarium

Label

 
Accession # 12094 
Family
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Family
ApocynaceaeApocynaceaeAsclepiadaceae  
Species Asclepias ruthiae Maguire
Common name   Ruth's milkweed
Collector(s)
J.G. Harris   4132  
   with M.W. Harris
Coll. Date 07 May 2006 
Country
State/Province
County
United States
Utah
Emery County
Locality San Rafael Swell, The Red Ledges, ca 1.6 km due SW of Fuller Bottom.
     Elev.: 5330 ft. (1625 m.)
Habitat Notes Carmel Formation, Ephedra 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 39° 6'  18" N, 110° 51'  57" 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.

Taxonomy


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

     Asclepias uncialis ssp. ruthiae (Maguire) Kartesz & Gandhi

     Asclepias eastwoodiana Barneby
     Asclepias ruthiae Maguire
     Asclepias sanjuanensis Heil, J.M. Porter & Welsh
     Asclepias uncialis var. ruthiae (Maguire) E. Sundell

Common Name(s): Ruth's milkweed.

Taxonomic Hierarchy: (ITIS TSN=524889, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Gentianales
                                Family: Asclepiadaceae
                                    Genus: Asclepias
                                        Species: Asclepias uncialis
                                            Subspecies: Asclepias uncialis ssp. ruthiae
                                                

Images

Available images of this specimen (click to view):
specimen image: 12094c1.jpg specimen image: 12094s2.jpg specimen image: 12094a1.jpg specimen image: 12094b1.jpg

Images of other samples of the same species:
specimen image: 01066s2.jpg 
01066
specimen image: 03955s2.jpg 
03955
specimen image: 06548s2.jpg 
06548
specimen image: 09598s2.jpg 
09598
specimen image: 10910s1.jpg 
10910
specimen image: 10927s2.jpg 
10927
specimen image: 10927f1.jpg 
10927
specimen image: 12117a1.jpg 
12117
specimen image: 12117s1.jpg 
12117

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
12095 Astragalus asclepiadoides      "milkweed milkvetch" same section
12096 Enceliopsis nudicaulis      "nakedstem sunray" same section
00712 Lupinus argenteus  var. argenteus   "silvery lupine" same section

Locale


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Fuller Bottom (Flat) Emery County, UT 0.9 mi. NE 5259  Sids Mountain 
Fuller Bottom Draw (Valley) Emery County, UT 1.1 mi. N   Buckhorn Reservoir 
Red Wash (Valley) Emery County, UT 1.5 mi. N   Horn Silver Gulch 
Little Wedge Plateau (Plain) Emery County, UT 1.4 mi. SE 5568  Sids Mountain 
Cat Canyon (Valley) Emery County, UT 1.6 mi. N   Hadden Holes 
South Red Wash (Valley) Emery County, UT 2.1 mi. NW   Horn Silver Gulch 
Sand Bench Rim (Cliff) Emery County, UT 2.4 mi. SW 5699  Horn Silver Gulch 
Red Seep Wash (Valley) Emery County, UT 2.7 mi. N   Buckhorn Reservoir 
Hambrick Bottom (Bend) Emery County, UT 2.7 mi. N 5315  Hadden Holes 
Sand Bench (Bench) Emery County, UT 2.5 mi. SW 5650  Horn Silver Gulch 
Jorgensen Pond (Lake) Emery County, UT 3.2 mi. N 5571  Buckhorn Reservoir 
The Red Ledges (Cliff) Emery County, UT 3.1 mi. NE 5496  Buckhorn Reservoir 
Saddle Horse Canyon (Valley) Emery County, UT 3.3 mi. S   The Blocks 
Hendrick Spring (Spring) Emery County, UT 2.8 mi. W 5522  Horn Silver Gulch 
Mesquite Wash (Valley) Emery County, UT 3.6 mi. S   The Blocks 
Sand Bench (Bench) Emery County, UT 3.5 mi. N 5686  Buckhorn Reservoir 
McCarty Canyon (Valley) Emery County, UT 3.9 mi. S   The Blocks 
North Salt Wash (Valley) Emery County, UT 3.2 mi. SE   Short Canyon 
Favorite Hills (Summit) Emery County, UT 4.1 mi. N 5683  Buckhorn Reservoir 
Huntington Creek (Stream) Emery County, UT 4 mi. NW   Scofield 

Links

Taxon Links for species Asclepias ruthiae  Maguire

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:
http://herbarium.UVU.edu/virtual/search.asp?taxon=Asclepias+ruthiae

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