Utah Valley University Herbarium


Accession # 03959 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Asclepias cryptoceras S. Watson
Common name   pallid milkweed
[none]   s.n.  
Coll. Date 11 May 1999 
United States
Emery County
Locality San Rafael Swell.
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 39° 2'  21" N, 110° 40'  22" W
Township Range T20S, R11E, Sec. 34  
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 cryptoceras S. Wats.

Common Name(s): Humboldt milkweed, Humboldt mountain milkweed, pallid milkweed.

Taxonomic Hierarchy: (ITIS TSN=30257, click for more information and references)

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


Available images of this specimen (click to view):
specimen image: 03959s2.jpg

Images of other samples of the same species:
specimen image: 00714s2.jpg 
specimen image: 00967s2.jpg 
specimen image: 02642s2.jpg 
specimen image: 05077s2.jpg 
specimen image: 08231s2.jpg 
specimen image: 08983s3.jpg 
specimen image: 09636s2.jpg 
specimen image: 10424s2.jpg 
specimen image: 12085d1.jpg 
specimen image: 12085c1.jpg 
specimen image: 12085s2.jpg 
specimen image: 12085a1.jpg 
specimen image: 12085b1.jpg 
specimen image: 12099a1.jpg 
specimen image: 12099b1.jpg 
specimen image: 12099s1.jpg 
specimen image: 12649e1.jpg 
specimen image: 12649s2.jpg 
specimen image: 12649c1.jpg 
specimen image: 12649d1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
08409 Aliciella stenothyrsa      "Uinta Basin gilia" same section
00969 Aliciella stenothyrsa      "Uinta Basin gilia" 1.1 mi. N
00967 Asclepias cryptoceras  var. cryptoceras   "pallid milkweed" 1.1 mi. N
12538 Astragalus       "milkvetch" 1 mi. SE
12537 Astragalus       "milkvetch" 1 mi. SE
04053 Astragalus amphioxys  var. amphioxys   "crescent milkvetch" 1 mi. N
00971 Astragalus asclepiadoides      "milkweed milkvetch" 1.1 mi. N
08411 Astragalus asclepiadoides      "milkweed milkvetch" same section
04040 Astragalus asclepiadoides      "milkweed milkvetch" 1 mi. N
00972 Astragalus coltonii  var. coltonii   "Colton's milkvetch" 1.1 mi. N
03989 Astragalus cymboides      "canoe milkvetch" 1 mi. N
03988 Astragalus cymboides      "canoe milkvetch" 1 mi. N
08408 Astragalus lonchocarpus      "greater rushy milkvetch" same section
03993 Astragalus lonchocarpus      "greater rushy milkvetch" 1 mi. N
04052 Cryptantha flava      "yellow cat's eye" 1 mi. N
08407 Cryptantha jonesiana      "Jones' cat's eye" same section
00968 Enceliopsis nudicaulis      "nakedstem sunray" 1.1 mi. N
04054 Erigeron compactus  var. consimilis   "San Rafael cushion-daisy" 1 mi. N
08410 Erigeron pulcherrimus      "plateau fleabane" same section
04057 Eriogonum shockleyi      "Shockley's wild buckwheat" 1 mi. N
04055 Hilaria jamesii      "James' galleta" 1 mi. N
02877 Hilaria jamesii      "James' galleta" same section
00970 Hymenoxys acaulis  var. arizonica   "Arizona four-nerve daisy" 1.1 mi. N
04056 Hymenoxys richardsonii  var. floribunda   "Colorado rubberweed" 1 mi. N
04058 Sclerocactus whipplei  var. roseus  1 mi. N


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Window Blind Peak (Summit) Emery County, UT 1 mi. E 6831  Bottleneck Peak 
Limestone Bench (Bench) Emery County, UT 1.8 mi. S 5748  Bottleneck Peak 
Bottleneck Peak (Summit) Emery County, UT 1.7 mi. N 6349  Bottleneck Peak 
Assembly Hall Peak (Summit) Emery County, UT 2.1 mi. N 5948  Bottleneck Peak 
Road Draw (Valley) Emery County, UT 2.7 mi. N   Bottleneck Peak 
San Rafael Bridge Campground (Locale) Emery County, UT 2.8 mi. N 5102  Bottleneck Peak 
Buckhorn Wash (Valley) Emery County, UT 3 mi. N   Buckhorn Reservoir 
Cottonwood Draw (Valley) Emery County, UT 3.7 mi. S   Drowned Hole Draw 
Three Coves Reservoir (Reservoir) Emery County, UT 4 mi. S 5807  The Wickiup 
Sids Draw (Valley) Emery County, UT 4.2 mi. S   The Wickiup 
Calf Canyon (Valley) Emery County, UT 4.6 mi. N   Bob Hill Knoll 
Emery County (Civil) Emery County, UT 4.2 mi. SE 5801  The Wickiup 
Pine Canyon (Valley) Emery County, UT 4.8 mi. N   Devils Hole 
Sids Holes (Spring) Emery County, UT 5 mi. S 5899  The Wickiup 
Red Canyon (Valley) Emery County, UT 3.9 mi. E   Devils Hole 
No Mans Mountain (Summit) Emery County, UT 3.9 mi. W 6526  Bottleneck Peak 
Sids Reservoir (Reservoir) Emery County, UT 5 mi. S 5906  The Wickiup 
Oil Well Draw (Valley) Emery County, UT 4.2 mi. E   The Wickiup 
Cane Wash (Valley) Emery County, UT 4.9 mi. NW   The Blocks 
Good Water Canyon (Valley) Emery County, UT 5.3 mi. NW   Bottleneck Peak 


Taxon Links for species Asclepias cryptoceras  S. Watson

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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