Utah Valley University Herbarium


Accession # 04977 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Phacelia ambigua M.E. Jones
Common name   notch-leaf scorpionweed
R. Van Buren   471  
   with K.T. Harper, J. Simpson
Coll. Date 31 March 2001 
United States
Washington County
Locality Desert Tortoise Preserve, hills between Black Knolls and Red Hills, ca. 1 air miles NE of West St. George Spring;
     Elev.: 3100 ft. (945 m.)
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 37° 7'  59" N, 113° 34'  52" W
Township Range T42S R15W S18  
Datum WGS84 
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).
Voucher Voucher of taxa associated with Astragalus ampullarioides, R. Van Buren, K.T. Harper 
Specimen Notes Astragalus ampullarioides study site. 


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

     Phacelia crenulata var. ambigua (M.E. Jones) J.F. Macbr.

     Phacelia ambigua M.E. Jones

Common Name(s): caterpillarweed, purplestem phacelia.

Taxonomic Hierarchy: (ITIS TSN=531516, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Solanales
                                Family: Hydrophyllaceae
                                    Genus: Phacelia
                                        Species: Phacelia crenulata
                                            Variety: Phacelia crenulata var. ambigua


Available images of this specimen (click to view):
specimen image: 04977s2.jpg

Images of other samples of the same species:
specimen image: 03098s1.jpg 
specimen image: 10308s2.jpg 
specimen image: 10322s1.jpg 
specimen image: 11418d1.jpg 
specimen image: 11418s1.jpg 
specimen image: 11635d1.jpg 
specimen image: 11635s1.jpg 
specimen image: 14019s1.jpg 
specimen image: 14019c1.jpg 
specimen image: 14019b1.jpg 
specimen image: 14019a1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
04980 Astragalus ampullarioides     1212 ft. NW
04981 Astragalus ampullarioides     same section
04983 Bromus rubens      "red brome" same section
04992 Cryptantha barbigera      "bearded forget-me-not" same section
04987 Eschscholzia glyptosperma      "desert poppy" same section
06212 Grayia spinosa      "spiny hopsage" 1 mi. W
06211 Microsteris gracilis      "slender phlox" 1 mi. W
04973 Oenothera primiveris      "desert evening primrose" same section
04974 Phacelia crenulata      "notch-leaf scorpionweed" same section
02520 Prenanthella exigua      "thorny skeleton plant" 1.7 mi. NW
04975 Schismus arabicus      "Arabian grass" same section
04990 Schismus barbatus      "Mediterranean grass" same section
04991 Silene antirrhina      "sleepy silene" same section
05600 Sorghum halepense      "Johnson grass" 2.3 mi. SW
05601 Sorghum halepense      "Johnson grass" 2.3 mi. SW
04984 Streptanthella longirostris      "long-beaked streptanthella" same section
04979 Syntrichopappus fremontii      "Fremont's gold" same section
04982 Xylorhiza tortifolia  var. tortifolia   "Mojave woody aster" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
T-Bone Hill (Summit) Washington County, UT 2514 ft. NE 3402  Washington 
West Saint George Spring (Spring) Washington County, UT 0.9 mi. SW 2966  Washington 
Red Hills (Summit) Washington County, UT 1.1 mi. S 3140  Saint George 
Sugarloaf (Summit) Washington County, UT 1.2 mi. S 3068  Saint George 
The Church of Jesus Christ of Latter Day Saints (Church) Washington County, UT 1.1 mi. S 2907  Saint George 
KZEZ-FM (St George) (Tower) Washington County, UT 1.3 mi. S 3045  Saint George 
Brigham Young Winter Home (Park) Washington County, UT 1.5 mi. S 2779  Saint George 
The Church of Jesus Christ of Latter Day Saints (Church) Washington County, UT 1.4 mi. SW 2832  Saint George 
Black Knolls (Summit) Washington County, UT 1.4 mi. NE 3327  Washington 
Saint George Catholic Church (Church) Washington County, UT 1.6 mi. S 2769  Saint George 
The Church of Jesus Christ of Latter Day Saints (Church) Washington County, UT 1.6 mi. S 2763  Saint George 
East City Center (Locale) Washington County, UT 1.7 mi. S 2756  Saint George 
Hillside Palms RV Park (Park) Washington County, UT 1.6 mi. S 2812  Saint George 
Saint George Post Office (Post Office) Washington County, UT 1.7 mi. S 2743  Saint George 
Red Hills Shopping Plaza (Locale) Washington County, UT 1.7 mi. S 2802  Saint George 
Sunshine Square (Locale) Washington County, UT 1.7 mi. S 2782  Saint George 
Saint George West School (School) Washington County, UT 1.7 mi. S 2746  Saint George 
Woodward School (School) Washington County, UT 1.8 mi. S 2733  Saint George 
Sait George City Dam (Dam) Washington County, UT 1.7 mi. N 3484  Washington 
Southern Trailer Park (Populated Place) Washington County, UT 1.7 mi. S 2772  Saint George 


Taxon Links for species Phacelia ambigua  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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