CPC Plant Profile: Utah Shootingstar
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Plant Profile

Utah Shootingstar (Dodecatheon dentatum var. utahense)

Dodecatheon dentatum var. utahense-Flowering Photo Credit: Rita Dodge
Description
  • Global Rank: T1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Primulaceae
  • State: UT
  • Nature Serve ID: 145193
  • Date Inducted in National Collection: 10/15/2005

The Utah Shooting Star (Dodecatheon dentatum var. utahense) remains dormant during the winter. During the summer this attractive plant occurs in shady moist rock outcrops. This perennial is 1-2.5 dm tall. The flowers are violet to pink and sometimes white. There are 5 petals that are fused at the base pointing upward, while stamens and pistil point downward giving the flower the appearance of a shooting star. The anthers are 6-7 mm long and the leaves are 2-5.7 cm long, 2-3.2 cm wide.

Participating Institutions
Updates
Nature Serve Biotics
  • 05/02/2017

Known only from the Big Cottonwood Canyon in the Wasatch Mountain Range. Limited by habitat: cool moist microclimates in cracks and crevices of limestone and quartz outcrops (Franklin 2005).

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Not Available

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Utah Shooting Star is endemic to Big Cottonwood Canyon and occurs on 4 known locations in the Wasatch-Cash National Forest. It has been listed as a sensitive plant by the Forest Service.

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Not Available

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Wasatch-Cash National Forest

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Not Available

Wendy Yates and information from Matthew Utley
  • 01/01/2010

Not Available

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Photos
Nomenclature
Taxon Dodecatheon dentatum var. utahense
Authority N. Holmgren
Family Primulaceae
CPC Number 44452
ITIS 534517
USDA DODEU2
Common Names Utah Shootingstar | white shootingstar
Associated Scientific Names Dodecatheon dentatum var. utahense | Primula utahensis | Dodecatheon dentatum ssp. utahense | Dodecatheon utahense
Distribution This species is restricted to Big Cottonwood Canyon in the Wasatch Range of Salt Lake County, Utah.
State Rank
State State Rank
Utah S1
Habitat

Rock crevices and ledges among spruce fir plant communities provide ideal growing conditions for this species. The plant can be found in shady moist cracks and crevices or shallow mineral soil of a quartzite parent material with nearly constant flowing/dripping water at 2200m-2800m elevation.

Ecological Relationships

Not available

Pollinators
Common Name Name in Text Association Type Source InteractionID

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