Utah Valley University Herbarium


Accession # 00649 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Asclepias speciosa Torr.
Common name   showy milkweed
R. Collins   395a  
Coll. Date 16 July 1979 
United States
Utah County
Locality E of Salem towards Loafer Mountain, 1 mi up private road.
     Elev.: 5900 ft. (1799 m.)
Habitat Notes oak comm., along road. 
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 40° 1'  18" N, 111° 39'  15" W
Township Range T9S, R3E, Sec. 19  
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 speciosa Torr.

     Asclepias giffordii Eastw.

Common Name(s): showy milkweed.

Taxonomic Hierarchy: (ITIS TSN=30304, click for more information and references)

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


Available images of this specimen (click to view):
specimen image: 00649s3.jpg

Images of other samples of the same species:
specimen image: 02625s2.jpg 
specimen image: 02778s2.jpg 
specimen image: 02802s4.jpg 
specimen image: 03823s2.jpg 
specimen image: 05109s3.jpg 
specimen image: 08146s2.jpg 
specimen image: 11840c1.jpg 
specimen image: 11840s3.jpg 
specimen image: 11840d1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
00651 Achnatherum nelsonii  subsp. nelsonii   "Nelson's needlegrass" same section
00647 Aquilegia flavescens  var. flavescens   "yellow columbine" same section
03740 Bromus briziformis      "rattlesnake brome" 1 mi. E
00654 Chenopodium fremontii  var. fremontii   "Fremont's goosefoot" same section
00586 Descurainia incisa  var. incisa  same section
00646 Eleocharis palustris      "common spikerush" same section
00652 Elymus trachycaulus      "slender wheatgrass" same section
00584 Epilobium glandulosum     same section
00587 Epilobium glandulosum     same section
00648 Geranium viscosissimum  var. incisum   "sticky purple geranium" same section
00657 Iliamna rivularis      "streambank wild hollyhock" same section
00655 Penstemon whippleanus      "Whipple's beardtongue" same section
00585 Potentilla glandulosa  var. pseudorupestris   "rock-loving sticky cinquefoil" same section
00658 Sambucus cerulea     same section
00650 Secale cereale      "cereal rye" same section
00653 Viguiera multiflora      "showy goldeneye" same section
00659 Viguiera multiflora      "showy goldeneye" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Maple Canyon (Valley) Utah County, UT 0.6 mi. SE   Spanish Fork Peak 
Snell Hollow (Valley) Utah County, UT 0.6 mi. W   Spanish Fork 
Broad Hollow (Valley) Utah County, UT 0.7 mi. SW   Payson Lakes 
Loafer Canyon (Valley) Utah County, UT 0.8 mi. W   Payson Lakes 
Strawberry Highline Canal (Canal) Utah County, UT 1.3 mi. NW 4843  Spanish Fork 
Salem City Cemetery (Cemetery) Utah County, UT 1.5 mi. NW 4771  Spanish Fork 
Woodland Hills (Populated Place) Utah County, UT 1.3 mi. SW 5338  Spanish Fork 
Elk Ridge (Populated Place) Utah County, UT 1.4 mi. SW 5368  Spanish Fork 
Leader Mine (Mine) Utah County, UT 1.5 mi. NE 5243  Spanish Fork 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.9 mi. N 4715  Spanish Fork 
Salem Canal (Canal) Utah County, UT 2 mi. N 4705  Spanish Fork 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 2 mi. N 4679  Spanish Fork 
Box Canyon (Valley) Utah County, UT 2.1 mi. S   Payson Lakes 
Water Canyon (Valley) Utah County, UT 2.3 mi. N   Spanish Fork Peak 
Left Fork Loafer Canyon (Valley) Utah County, UT 2.4 mi. S   Birdseye 
Right Fork Loafer Canyon (Valley) Utah County, UT 2.4 mi. S   Payson Lakes 
Salem Post Office (Post Office) Utah County, UT 2.4 mi. N 4613  Spanish Fork 
Salem (Populated Place) Utah County, UT 2.4 mi. N 4613  Spanish Fork 
Dream Mine (Mine) Utah County, UT 2.2 mi. NE 6378  Spanish Fork Peak 
Dream Mine (Mine) Utah County, UT 2.3 mi. NE 5256  Spanish Fork 


Taxon Links for species Asclepias speciosa  Torr.

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