Utah Valley University Herbarium


Accession # 02004 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Asclepias labriformis M.E. Jones
Common name   Utah milkweed
J.G. Harris   2575  
Coll. Date 18 May 1994 
United States
Emery County
Locality San Rafael Desert, Shadscale Mesa area.
     Elev.: 4592 ft. (1400 m.)
Habitat Notes Ephedra-Atriplex community, Summerville Formation 
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° 52'  55" N, 110° 26'  32" W
Township Range T22S, R13E, Sec. 24  
Datum Not recorded
Uncertainty Not calculated


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

     Asclepias labriformis M.E. Jones

Common Name(s): Jones milkweed, labriform milkweed, Utah milkweed.

Taxonomic Hierarchy: (ITIS TSN=30276, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Gentianales
                                Family: Asclepiadaceae
                                    Genus: Asclepias
                                        Species: Asclepias labriformis


Available images of this specimen (click to view):
specimen image: 02004s2.jpg

Images of other samples of the same species:
specimen image: 00146s2.jpg 
specimen image: 05939s2.jpg 
specimen image: 09580s3.jpg 
specimen image: 10680s3.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
02002 Achnatherum hymenoides      "Indian ricegrass" same section
06559 Artemisia filifolia      "sand sagebrush" 1.9 mi. SW
06553 Astragalus amphioxys  var. amphioxys   "crescent milkvetch" 1.9 mi. SW
02003 Astragalus episcopus      "Bishop's milkvetch" same section
02034 Astragalus episcopus      "Bishop's milkvetch" 1.9 mi. SW
02010 Astragalus flavus  var. argillosus  same section
06555 Astragalus praelongus  var. ellisiae   "Ellis' stinking milkvetch" 1.9 mi. SW
02030 Atriplex gardneri  var. cuneata  same section
02033 Caesalpinia repens     1.9 mi. SW
02013 Chamaesyce fendleri      "Fendler's sandmat" same section
06556 Cleome lutea      "yellow spiderflower" 1.9 mi. SW
06560 Coleogyne ramosissima      "blackbrush" 1.9 mi. SW
02012 Cryptantha flava      "yellow cat's eye" same section
02011 Cryptantha mensana      "Emery cat's eye" same section
02000 Cycladenia humilis  var. jonesii   "Jones' waxy dogbane" same section
02005 Enceliopsis nudicaulis      "nakedstem sunray" same section
02014 Ephedra torreyana      "Torrey's ephedra" same section
02031 Eriogonum bicolor      "pretty wild buckwheat" same section
02006 Eriogonum inflatum  var. inflatum   "desert trumpet" same section
02009 Gaillardia spathulata      "Colorado Plateau blanketflower" same section
02001 Hilaria jamesii      "James' galleta" same section
06557 Malacothrix sonchoides      "sowthistle desert-dandelion" 1.9 mi. SW
02032 Oenothera pallida  var. pallida   "pale evening primrose" 1.9 mi. SW
02017 Phacelia rafaelensis      "plateau scorpionweed" same section
06554 Poliomintha incana      "frosted mint" 1.9 mi. SW
02015 Sphaeralcea coccinea      "scarlet globemallow" same section
02018 Stanleya pinnata  var. pinnata   "desert princesplume" same section
06558 Streptanthella longirostris      "long-beaked streptanthella" 1.9 mi. SW
02007 Wyethia scabra      "rough mule's ears" same section
02008 Xylorhiza venusta      "Cisco woody aster" same section
06561 Yucca harrimaniae  var. harrimaniae   "Spanish bayonet" 1.9 mi. SW


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Moonshine Tanks (Reservoir) Emery County, UT 1 mi. N 4482  Spotted Wolf Canyon 
The Squeeze (Valley) Emery County, UT 2.6 mi. N   Spotted Wolf Canyon 
Shadscale Mesa (Summit) Emery County, UT 2.5 mi. NE 4465  Spotted Wolf Canyon 
Spotted Wolf Canyon (Valley) Emery County, UT 3.6 mi. NE   Spotted Wolf Canyon 
Greasewood Tank (Reservoir) Emery County, UT 3.8 mi. S 4505  Greasewood Draw 
Buckmaster Draw (Valley) Emery County, UT 3.6 mi. NE   Jessies Twist 
Black Dragon Pictograph (Locale) Emery County, UT 4.2 mi. N 4626  Spotted Wolf Canyon 
Black Dragon Wash (Valley) Emery County, UT 4.5 mi. NE   Drowned Hole Draw 
Tidwell Bottoms (Bend) Emery County, UT 4.9 mi. NE 4259  Spotted Wolf Canyon 
Hatt Reservoir (Reservoir) Emery County, UT 4.1 mi. E 4229  Jessies Twist 
Greasewood Draw (Valley) Emery County, UT 4.5 mi. SE   Arsons Garden 
Jackass Benches (Bench) Emery County, UT 6.2 mi. N 5771  Drowned Hole Draw 
Buckmaster Reservoir (Reservoir) Emery County, UT 6.1 mi. NE 4347  Jessies Twist 


Taxon Links for species Asclepias labriformis  M.E. Jones

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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