Utah Valley University Herbarium


Accession # 06535 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Xylorhiza tortifolia (Torr. & Gray) Greene
Infraspecific    var. tortifolia 
Common name   Mojave woody aster
R. Van Buren   366  
   with K.H. Hart
Coll. Date 29 June 1992 
United States
Locality Zion National Park, Highway 9, 3.4 miles E of long tunnel; small round valley, E of river.
Habitat Notes SE facing 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.
Latitude Longitude 37° 1'  8" N, 113° 39'  5" W
Township Range T43S, R16W, Sec. 28  
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):

     Xylorhiza tortifolia var. tortifolia (Torr. & Gray) Greene

     Aplopappus tortifolius Torr. & Gray
     Aster abatus Blake
     Aster goodingii Onno
     Aster mohavensis Coville, non Kuntze
     Aster tortifolius (Torr. & Gray) Gray, non Michx.
     Machaeranthera tortifolia (Torr. & Gray) Cronq. & Keck
     Xylorhiza lanceolata Rydb.
     Xylorhiza scopulorum A. Nels.

Common Name(s): Mojave aster, Mojave woodyaster.

Taxonomic Hierarchy: (ITIS TSN=530879, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Xylorhiza
                                        Species: Xylorhiza tortifolia
                                            Variety: Xylorhiza tortifolia var. tortifolia


Available images of this specimen (click to view):
specimen image: 06535s1.jpg

Images of other samples of the same species:
specimen image: 02644s1.jpg 
specimen image: 02825s2.jpg 
specimen image: 03984s1.jpg 
specimen image: 04982s2.jpg 
specimen image: 06224s5.jpg 
specimen image: 09412s1.jpg 
specimen image: 10339s1.jpg 
specimen image: 10369s1.jpg 
specimen image: 15868s1.jpg 
specimen image: 15868c1.jpg 
specimen image: 15868b1.jpg 
specimen image: 15868a1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
02979 Acamptopappus sphaerocephalus      "goldenhead" same section
08961 Allionia incarnata      "trailing windmills" 1.3 mi. SW
09350 Allionia incarnata      "trailing windmills" 1.3 mi. SW
13163 Allionia incarnata      "trailing windmills" same section
03615 Allium nevadense      "Nevada wild onion" same section
08287 Allium nevadense      "Nevada wild onion" 1.3 mi. SW
10142 Amsinckia tessellata      "bristly fiddleneck" 1.3 mi. SW
13630 Arenaria macradenia      "desert sandwort" 1.1 mi. S
13164 Aristida purpurea      "purple threeawn" same section
05884 Astragalus eremiticus      "hermit milkvetch" 1.8 mi. N
13165 Astragalus holmgreniorum      "Paradox milkvetch" same section
03764 Baileya pleniradiata      "woolly desert-marigold" 1.4 mi. NE
13167 Bromus rubens      "red brome" same section
13166 Bromus tectorum      "cheatgrass" same section
02989 Calochortus flexuosus      "winding mariposa lily" same section
13168 Calochortus flexuosus      "winding mariposa lily" same section
02984 Camissonia boothii  var. condensata   "clustered desert primrose" same section
03617 Camissonia boothii  var. condensata   "clustered desert primrose" same section
08282 Chaenactis carphoclinia      "pebble pincushion" 1.3 mi. SW
02986 Chaenactis carphoclinia      "pebble pincushion" same section
02987 Chaenactis macrantha      "showy dusty-maiden" same section
03000 Chorizanthe rigida      "rigid spineflower" same section
08962 Cirsium neomexicanum      "New Mexico thistle" 1.3 mi. SW
13169 Coleogyne ramosissima      "blackbrush" same section
08187 Cryptantha nevadensis      "Nevada forget-me-not" 1.3 mi. SW
08280 Cryptantha pterocarya  var. pterocarya   "winged-nut forget-me-not" 1.3 mi. SW
08285 Cryptantha utahensis      "Utah forget-me-not" 1.3 mi. SW
03618 Delphinium parishii  var. parishii   "Parish's larkspur" same section
08189 Descurainia pinnata      "western tansy mustard" 1.3 mi. SW
13170 Dichelostemma pulchellum      "bluedicks" same section
04989 Draba cuneifolia      "wedge-leaf whitlow-cress" 1.3 mi. SW
13182 Eriastrum eremicum  subsp. eremicum   "desert woollystar" 1.3 mi. SW
15286 Eriogonum corymbosum      "crisp-leaf wild buckwheat" 2.1 mi. N
13183 Eriogonum deflexum  var. deflexum   "flat-topped wild buckwheat" 1.3 mi. SW
03765 Eriogonum inflatum  var. inflatum   "desert trumpet" 1.4 mi. NE
13171 Eriogonum thomasii      "Thomas' wild buckwheat" same section
08283 Eriogonum thomasii      "Thomas' wild buckwheat" 1.3 mi. SW
04962 Eriogonum thomasii      "Thomas' wild buckwheat" 1.3 mi. SW
04963 Eriogonum thomasii      "Thomas' wild buckwheat" 1.3 mi. SW
03103 Eriogonum thomasii      "Thomas' wild buckwheat" same section
13184 Eriogonum trichopes      "little desert trumpet" 1.3 mi. SW
08190 Eriogonum trichopes      "little desert trumpet" 1.3 mi. SW
08279 Eriophyllum wallacei      "Wallace's easter bonnets" 1.3 mi. SW
03619 Eschscholzia glyptosperma      "desert poppy" same section
13172 Eschscholzia minutiflora      "pygmy poppy" same section
03614 Gaura coccinea      "scarlet beeblossom" same section
08286 Gilia scopulorum      "rock gilia" 1.3 mi. SW
02985 Glyptopleura setulosa      "Mojave carveseed" same section
08186 Guillenia lasiophylla      "California mustard" 1.3 mi. SW
03620 Hilaria rigida      "big galleta" same section
04965 Ipomopsis polycladon      "spreading gilia" 1.3 mi. SW
13185 Krameria erecta      "little-leaf ratany" 1.3 mi. SW
03763 Krameria erecta      "little-leaf ratany" 1.4 mi. NE
02983 Krameria grayi      "white ratany" same section
10140 Lepidium lasiocarpum  var. georginum   "St. George peppercress" 1.3 mi. SW
10143 Linanthus bigelovii      "Bigelow's linanthus" 1.3 mi. SW
03616 Linanthus demissus      "desertsnow" same section
08284 Linanthus demissus      "desertsnow" 1.3 mi. SW
13173 Lotus denticulatus      "riverbar bird's-foot trefoil" same section
13174 Lupinus brevicaulis      "shortstem lupine" same section
05904 Lupinus flavoculatus      "yelloweyes" 1.3 mi. SW
03613 Lupinus pusillus      "rusty lupine" same section
02990 Lupinus pusillus      "rusty lupine" same section
13175 Lycium pallidum      "pale desert-thorn" same section
06531 Malacothrix glabrata      "smooth desert-dandelion" same section
03623 Malacothrix sonchoides      "sowthistle desert-dandelion" same section
08281 Malcolmia africana      "African mustard" 1.3 mi. SW
09352 Mirabilis bigelovii  var. retrorsa   "Bigelow's desert four o'clock" 1.3 mi. SW
03002 Nemacladus glanduliferus      "glandular threadplant" same section
04966 Pectocarya heterocarpa      "chuckwalla combseed" 1.3 mi. SW
06540 Phacelia fremontii      "Fremont's scorpionweed" same section
02988 Phacelia fremontii      "Fremont's scorpionweed" same section
13176 Phacelia vallis-mortae      "Death Valley scorpionweed" same section
10141 Plantago insularis      "desert plantain" 1.3 mi. SW
04964 Plantago insularis      "desert plantain" 1.3 mi. SW
13177 Plantago patagonica      "Patagonia plantain" same section
13178 Sporobolus flexuosus      "mesa dropseed" same section
04961 Stylocline intertexta      "tangled nest-straw" 1.3 mi. SW
08188 Stylocline intertexta      "tangled nest-straw" 1.3 mi. SW


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Big Round Valley (Basin) Washington County, UT 1505 ft. NW 2444  White Hills 
Little Round Valley (Basin) Washington County, UT 2310 ft. E 2464  White Hills 
Val Wash (Valley) Washington County, UT 0.7 mi. N   White Hills 
West Mountain Valley Wash (Valley) Washington County, UT 1 mi. W   Jarvis Peak 
Curly Hollow Wash (Valley) Washington County, UT 1.3 mi. NE   Jarvis Peak 
Atkinville Wash (Valley) Washington County, UT 1.3 mi. NE   Saint George 
First Narrows (Gap) Washington County, UT 1.3 mi. W 2497  White Hills 
Starvation Point (Cape) Washington County, UT 1.5 mi. SW 2927  White Hills 
Atkinville (Populated Place) Washington County, UT 1.5 mi. NE 2503  White Hills 
Black Rock Interchange (Crossing) Mohave County, AZ 2.6 mi. S 2799  Purgatory Canyon 
Lizard Wash (Valley) Washington County, UT 2.6 mi. E 2595  Saint George 
Lizard Wash (Valley) Mohave County, AZ 2.6 mi. E   Lizard Point 
Big Valley (Basin) Washington County, UT 2.8 mi. E 2635  Saint George 
Big Valley (Valley) Mohave County, AZ 2.8 mi. E   Purgatory Canyon 
Red Bluff (Cliff) Washington County, UT 3.4 mi. N 3255  White Hills 
State Line Reservoir (Reservoir) Mohave County, AZ 3.3 mi. SW 2694  Purgatory Canyon 
Bloomington (Populated Place) Washington County, UT 3.1 mi. NE 2520  Saint George 
Mokaac Wash (Valley) Washington County, UT 2.9 mi. E 2602  Saint George 
The Church of Jesus Christ of Latter Day Saints (Church) Washington County, UT 3.2 mi. NE 2523  Saint George 
Price City (historical) (Locale) Washington County, UT 3.2 mi. NE 2500  Saint George 


Taxon Links for species Xylorhiza tortifolia  (Torr. & Gray) Greene

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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