Utah Valley University Herbarium

Label

Accession No. 08505 
Family Asclepiadaceae 
Species Asclepias asperula (Decne.) Woodson
Common name "spider milkweed"
Collector Information B. Grover  (s.n.)  19 June 2003
Geography United States,  Utah, Utah County
Lat./Long. 40°  14' 0.01" N, 111°  37 ' 0.01" W at 5101 feet (1555 m)
Locality Ironton. 
Ecology rocky slope. 
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.

Taxonomy


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

     Asclepias asperula (Dcne.) Woods.

Common Name(s): antelope horns, antelopehorn milkweed, spider antelope-horns, spider milkweed.

Taxonomic Hierarchy: (ITIS TSN=30247, click for more information and references)

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

Images

Available images of this specimen (click to view):
specimen image: 08505s2.jpg

Images of other samples of the same species:
specimen image: 01582s2.jpg 
01582
specimen image: 02804s2.jpg 
02804
specimen image: 03123s2.jpg 
03123
specimen image: 03217s2.jpg 
03217
specimen image: 03903s2.jpg 
03903
specimen image: 05838s2.jpg 
05838
specimen image: 07021s2.jpg 
07021
specimen image: 09569s2.jpg 
09569
specimen image: 11924c1.jpg 
11924
specimen image: 11924s3.jpg 
11924
specimen image: 11924d1.jpg 
11924

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
15011 Abies concolor      "white fir" 2.2 mi. N
01674 Agoseris glauca  var. laciniata   "Arizona mountain dandelion" 2025 ft. N
15262 Alnus incana      "gray alder" 2.3 mi. N
15123 Artemisia ludoviciana  var. ludoviciana   "white sagebrush" 2.2 mi. N
15367 Artemisia tridentata      "big sagebrush" 2.3 mi. N
14925 Balsamorhiza       "balsamroot" 2 mi. N
15009 Berberis repens     2.2 mi. N
15407 Berberis repens     2.2 mi. N
15125 Betula occidentalis      "water birch" 2.2 mi. N
14926 Boraginaceae      2 mi. N
15319 Castilleja chromosa     2.2 mi. N
14619 Celtis reticulata     2.3 mi. N
15409 Celtis reticulata     2.2 mi. N
09216 Cercocarpus ledifolius      "curl-leaf mountain mahogany" 2.2 mi. N
01677 Chaenactis douglasii      "Douglas' dusty-maiden" 2025 ft. N
15366 Chrysothamnus nauseosus     2.3 mi. N
15412 Clematis orientalis      "Oriental virginsbower" 2.2 mi. N
14627 Clematis orientalis     2.3 mi. N
01667 Crepis acuminata      "tapertip hawksbeard" 2025 ft. N
15316 Cynoglossum officinale      "gypsyflower" 2.2 mi. N
01668 Delphinium nuttallianum      "meadow larkspur" 2025 ft. N
15313 Equisetum       "horsetail" 2.1 mi. NE
15107 Eremogone macradenia     2.3 mi. N
15410 Eremogone macradenia     2.2 mi. N
15368 Gutierrezia sarothrae      "broom snakeweed" 2.3 mi. N
01676 Hackelia floribunda      "many-flowered stickseed" 2025 ft. N
02024 Hedysarum boreale  var. boreale   "northern sweetvetch" 2.3 mi. N
02020 Hedysarum boreale  var. boreale   "northern sweetvetch" 2.3 mi. N
01673 Hydrophyllum capitatum  var. capitatum   "purple cat's breeches" 2025 ft. N
14624 Jamesia americana     2.3 mi. N
15408 Juniperus scopulorum      "Rocky Mountain juniper" 2.2 mi. N
14924 Linaria       "toadflax" 2 mi. N
15318 Linaria dalmatica      "Dalmatian toadflax" 2.2 mi. N
01671 Lithophragma parviflorum      "small-flowered woodland-star" 2025 ft. N
01672 Lithospermum ruderale      "western stoneseed" 2025 ft. N
00418 Lomatium triternatum  ssp. platycarpum   "Great Basin desert parsley" 2.2 mi. N
15317 Malva neglecta      "common mallow" 2.2 mi. N
13627 Melilotus albus     2 mi. N
14618 Parthenocissus quinquefolia     2.3 mi. N
00334 Penstemon eatonii  var. eatonii  2.2 mi. N
01669 Phacelia linearis      "thread-leaf scorpionweed" 2025 ft. N
14630 Populus × intercurrens   [angustifolia × fremontii ssp. fremontii]  2.3 mi. N
09219 Populus angustifolia      "narrow-leaf cottonwood" 2.2 mi. N
15411 Populus angustifolia      "narrowleaf cottonwood" 2.2 mi. N
06820 Populus fremontii      "Fremont's cottonwood" same section
15012 Prunus       "plum" 2.2 mi. N
15013 Prunus persica      "peach" 2.2 mi. N
05837 Prunus serrulata      "Japanese flowering cherry" 1.4 mi. SE
15010 Quercus gambelii      "Gambel oak" 2.2 mi. N
15008 Rhus glabra      "smooth sumac" 2.3 mi. N
15014 Rhus trilobata      "skunkbush sumac" 2.2 mi. N
15015 Rosa       "rose" 2.3 mi. N
15365 Rosa canina      "dog rose" 2.3 mi. N
01679 Senecio integerrimus  var. exaltatus   "Columbia ragwort" 2025 ft. N
15413 Solanum dulcamara      "climbing nightshade" 2.2 mi. N
14791 Sphaeromeria diversifolia     2.3 mi. N
01670 Stellaria jamesiana     2025 ft. N
15312 Tradescantia virginiana      "Virginia spiderwort" 2.1 mi. NE
01678 Valeriana occidentalis      "western valerian" 2025 ft. N
01675 Viola nuttallii      "Nuttall's violet" 2025 ft. N

Locale


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Hathenbrook Spring (Spring) Utah County, UT 0.6 mi. S 5355  Springville 
Maple Flat (Flat) Utah County, UT 0.6 mi. NE 7746  Springville 
Slate Canyon (Valley) Utah County, UT 0.8 mi. SW   Springville 
Toad Head (Summit) Utah County, UT 1.1 mi. SE 7294  Springville 
Slide Canyon (Valley) Utah County, UT 1 mi. NW   Springville 
Utah State Hospital (Hospital) Utah County, UT 0.9 mi. W 4584  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.1 mi. SW 4751  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1 mi. W 4577  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.3 mi. SW 4626  Provo 
Lower Union Canal (Canal) Utah County, UT 1.4 mi. SW 4587  Provo 
Y Mountain (Summit) Utah County, UT 1.7 mi. N 8452  Bridal Veil Falls 
Provost School (School) Utah County, UT 1.4 mi. W 4580  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.4 mi. SW 4577  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.4 mi. W 4554  Provo 
Buckley Draw (Valley) Utah County, UT 1.8 mi. S   Springville 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.5 mi. NW 4600  Provo 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.6 mi. NW 4620  Provo 
Utah County Infirmary (Locale) Utah County, UT 1.9 mi. S 4616  Provo 
Wasatch School (School) Utah County, UT 1.7 mi. NW 4649  Provo 
Seventh Day Adventist Church (Church) Utah County, UT 1.6 mi. W 4547  Provo 

Links

Taxon Links for species Asclepias asperula  (Decne.) Woodson

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+asperula

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