Utah Valley University Herbarium


Accession # 10674 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Asclepias macrosperma Eastw.
Common name   bigseed milkweed
Donna M. Barnes   4600  
Coll. Date 09 June 2005 
United States
Locality W of Cathedral Valley.
     Elev.: 5111 ft. (1558 m.)
Habitat Notes Entrada Formation, silty, saline soils, salt desert shrub 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 38° 21'  49" N, 111° 6'  0.01" 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):

     Asclepias involucrata Engelm. ex Torr.

     Asclepias macrosperma Eastw.

Common Name(s): dwarf milkweed, largeseed milkweed.

Taxonomic Hierarchy: (ITIS TSN=30275, click for more information and references)

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


Available images of this specimen (click to view):
specimen image: 10674s3.jpg

Images of other samples of the same species:
specimen image: 05960s2.jpg 
specimen image: 09477s2.jpg 
specimen image: 10491s2.jpg 
specimen image: 10953s4.jpg 
specimen image: 12674d1.jpg 
specimen image: 12674c1.jpg 
specimen image: 12674s1.jpg 
specimen image: 16890s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
10673 Astragalus convallarius  var. convallarius   "lesser rushy milkvetch" same section
10675 Astragalus episcopus      "Bishop's milkvetch" same section
10676 Orobanche fasciculata      "clustered broomrape" 42 ft. E
10023 Sphaeralcea psoraloides      "scurfpea globemallow" 1.7 mi. SE
10671 Tamarix chinensis      "five-stamen tamarisk" same section
10672 Thelesperma subnudum  var. subnudum   "Navajo tea greenthread" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Rockwater Spring (Spring) Wayne County, UT 2.3 mi. NW 5427  Fruita NW 
North Blue Flats (Flat) Wayne County, UT 2.9 mi. SW 5066  Caineville 
Red Desert (Plain) Wayne County, UT 2.9 mi. SE 4922  Caineville 
Willow Seep (Spring) Wayne County, UT 3.5 mi. NE 5079  Caine Springs 
Hartnet Draw (Valley) Wayne County, UT 3.5 mi. E   Cathedral Mountain 
Dry Wash (Valley) Wayne County, UT 3.7 mi. W   Fruita NW 
The Notch (Gap) Wayne County, UT 4.2 mi. W 5374  Fruita 
Notch Water (Spring) Wayne County, UT 4.3 mi. W 5466  Fruita 
Deep Creek (Stream) Wayne County, UT 5.9 mi. S   Flat Top 
Caineville Reef (Cliff) Wayne County, UT 6 mi. SE 4715  Caineville 
Sandy Creek (Stream) Wayne County, UT 6 mi. SE   Bitter Creek Divide 
Wood Bench (Bench) Wayne County, UT 5.8 mi. NE 5450  Caine Springs 


Taxon Links for species Asclepias macrosperma  Eastw.

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.

Note: Printing this page will show all information sequentially.   edit