Utah Valley University Herbarium


Accession # 06548 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Asclepias ruthiae Maguire
Common name   Ruth's milkweed
R.D. Huish   s.n.  
Coll. Date 08 May 1999 
United States
Wayne County
Locality Notom Road, Just east of Capiton Reef National Park.
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 38° 11'  16" N, 111° 8'  45" W
Township Range T30S, R7E  
Datum Not recorded
Uncertainty Not calculated
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).


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


Available images of this specimen (click to view):
specimen image: 06548s2.jpg

Images of other samples of the same species:
specimen image: 01066s2.jpg 
specimen image: 03955s2.jpg 
specimen image: 09598s2.jpg 
specimen image: 10910s1.jpg 
specimen image: 10927s2.jpg 
specimen image: 10927f1.jpg 
specimen image: 12094b1.jpg 
specimen image: 12094a1.jpg 
specimen image: 12094s2.jpg 
specimen image: 12094c1.jpg 
specimen image: 12117a1.jpg 
specimen image: 12117s1.jpg 

Nearby Accessions

  There are no nearby accessions.


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Pioneer Register (Locale) Wayne County, UT 1.8 mi. N 5374  Golden Throne 
Pleasant Creek Ranch (Locale) Wayne County, UT 1.9 mi. W 6027  Golden Throne 
South Draw (Valley) Wayne County, UT 1.9 mi. W   Golden Throne 
Notom Bench (Bench) Wayne County, UT 2 mi. NE 5545  Notom 
Waterpocket Canyon (Valley) Wayne County, UT 2.4 mi. N   Golden Throne 
Bone Flat (Flat) Wayne County, UT 2.1 mi. W 5948  Golden Throne 
Capitol Reef National Park (Park) Wayne County, UT 2.9 mi. S 6244  Golden Throne 
Capitol Wash (Valley) Wayne County, UT 2.9 mi. N   Grover 
Golden Throne (Summit) Wayne County, UT 3 mi. NW 6483  Golden Throne 
EPH Hanks Tower (Summit) Wayne County, UT 2.7 mi. W 6503  Golden Throne 
Notom (Populated Place) Wayne County, UT 3.5 mi. NE 5233  Notom 
Capitol Reef Campground (Locale) Wayne County, UT 3.1 mi. W 5716  Golden Throne 
Waterpocket Fold (Cliff) Wayne County, UT 4.5 mi. N 5732  Golden Throne 
Cottonwood Wash (Valley) Wayne County, UT 4.1 mi. SE   Golden Throne 
Tantalus Flats (Flat) Garfield County, UT 4.9 mi. SW 6513  Golden Throne 
Sulphur Creek (Stream) Wayne County, UT 4.7 mi. SW   Grover 
Tantalus Creek (Stream) Garfield County, UT 4.7 mi. SW   Lower Bowns Reservoir 
Pectols Pyramid (Summit) Wayne County, UT 5.2 mi. N 6496  Fruita 
Sheets Draw (Valley) Garfield County, UT 4.9 mi. SW   Golden Throne 
The Salmon (Summit) Garfield County, UT 5.4 mi. SW 7212  Bear Canyon 


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:

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