Utah Valley University Herbarium


Accession # 17989 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Psorothamnus arborescens (Torr. ex A. Gray) Barneby
Common name   Mojave indigobush
R. Van Buren   1858  
   with J. Cooper
Coll. Date 13 August 2010 
United States
Kane County
Locality along U.S. Highway 89, between Mile Post 1 & 2, E of Skylight Arch;
     Elev.: 3921 ft. (1195 m.)
Latitude Longitude 37° 0'  54.9" N, 111° 35'  16.7" 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.
Voucher Voucher for "Woody Plants of Utah" by R. Van Buren, K.T. Harper, J. Cooper 
Specimen Notes Journal Code: L6S1. 


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

     Psorothamnus arborescens (Torr. ex Gray) Barneby

Common Name(s): Mojave dalea, Mojave indigobush, Mojave smokebush.

Taxonomic Hierarchy: (ITIS TSN=26926, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Fabales
                                Family: Fabaceae
                                    Genus: Psorothamnus
                                        Species: Psorothamnus arborescens


Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11083 Abronia fragrans      "snowball sand verbena" 5.4 mi. S
08535 Acamptopappus sphaerocephalus      "goldenhead" 3.9 mi. N
08536 Atriplex corrugata      "mat saltbush" 3.9 mi. N
01386 Bothriochloa       "yellow blue-stem" 51.4 mi. N
08537 Camissonia eastwoodiae      "Eastwood's suncup" 3.9 mi. N
11085 Chaenactis stevioides      "desert pincushion" 5.4 mi. S
08538 Cleomella palmeriana      "Rocky Mountain stickweed" 3.9 mi. N
11086 Coleogyne ramosissima      "blackbrush" 5.4 mi. S
11082 Cryptantha micrantha      "purple-rooted forget-me-not" 5.4 mi. S
11081 Cryptantha pterocarya  var. pterocarya   "winged-nut forget-me-not" 5.4 mi. S
11079 Dimorphocarpa wislizeni      "Wislizen's spectacle pod" 5.4 mi. S
08541 Eriogonum fusiforme      "Grand Valley desert trumpet" 3.9 mi. N
11080 Gilia transmontana      "transmontane gilia" 5.4 mi. S
11078 Ipomopsis gunnisonii     5.4 mi. S
11077 Layia glandulosa      "white-daisy tidytips" 5.4 mi. S
08534 Lycium andersonii      "Anderson's desert-thorn" 3.9 mi. N
08542 Malacothrix glabrata      "smooth desert-dandelion" 3.9 mi. N
11075 Malacothrix glabrata      "smooth desert-dandelion" 5.4 mi. S
11076 Malacothrix sonchoides      "sowthistle desert-dandelion" 5.4 mi. S
11074 Orobanche fasciculata      "clustered broomrape" 5.4 mi. S
11084 Phacelia integrifolia      "gypsum scorpionweed" 5.4 mi. S
08540 Tidestromia lanuginosa      "espanta vaqueros" 3.9 mi. N
08533 Townsendia annua      "annual Townsend-daisy" 3.9 mi. N


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Skylight Arch (Arch) Kane County, UT 2965 ft. W 4144  Lone Rock 
Stud Horse Point (Ridge) Kane County, UT 0.7 mi. W 4518  Lone Rock 
Wahweap Creek (Stream) Kane County, UT 1.8 mi. NE   Canaan Peak 
Blue Fool Wash (Valley) Kane County, UT 2.3 mi. N   Big Water 
Lone Rock Beach (Beach) Kane County, UT 2.2 mi. E 3717  Lone Rock 
Wiregrass Spring (Spring) Kane County, UT 2.7 mi. N 3730  Lone Rock 
Bishops Tank (Reservoir) Coconino County, AZ 2.9 mi. S 4436  Ferry Swale 
Wiregrass Canyon (Valley) Kane County, UT 2.9 mi. N   Lone Rock 
Lone Rock Canyon (Valley) Kane County, UT 2.9 mi. NE   Lone Rock 
Blue Pools Arch (Arch) Kane County, UT 2.9 mi. NW 4082  Big Water 
Lone Rock (Pillar) Kane County, UT 3 mi. E 3839  Lone Rock 
Ferry Swale (Valley) Coconino County, AZ 5.6 mi. S   Water Pockets 
Bull Points (Summit) Kane County, UT 5.1 mi. NE 4085  Lone Rock 
Jacobs Tanks Draw (Valley) Kane County, UT 5.4 mi. NW   Big Water 
Water Pockets (Basin) Coconino County, AZ 5.7 mi. SW 5676  Water Pockets 
Big Water (Populated Place) Kane County, UT 6.3 mi. NW 4101  Big Water 
Alkali Seep (Spring) Kane County, UT 6.5 mi. N 3924  Big Water 


Taxon Links for species Psorothamnus arborescens  (Torr. ex A. Gray) Barneby

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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