CPC Plant Profile: Horseshoe Milkvetch
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Plant Profile

Horseshoe Milkvetch (Astragalus equisolensis)

Flowers of Astragalus equisolensis Photo Credit: Tony Frates
Description
  • Global Rank: T1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Fabaceae
  • State: CO, UT
  • Nature Serve ID: 135331
  • Date Inducted in National Collection: 02/09/1992

Astragalus equisolensis is a past federal candidate for listing. It is known from a limited range in Uintah County, Utah and from distan Mesa County, Colorado. It is a 5-15cm tall perennial with pink purple ascending or spreading flowers. It is strictly acaulescent or subacaulescent and branched.

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

Known from Uintah Co., Utah and Mesa Co., Colorado. The plant primarily occurs sporadically over a 30 mile range in Uintah County, Utah. Astragalus desperatus var. neeseae grows on sand and sandy silt soils and is a component of the salt-desert shrub vegetative community. It is threatened by habitat destruction from off-road vehicle use, as well as from road, pipeline, and well site construction in connection with anticipated oil and gas development.

Rita Dodge
  • 01/01/2010

Habitat destruction from off-road vehicle use and construction. Oil and gas development.

Rita Dodge
  • 01/01/2010

10,000 individuals

Rita Dodge
  • 01/01/2010

Not Available

Rita Dodge
  • 01/01/2010

Unknown

Rita Dodge
  • 01/01/2010

Ex situ seed conservation Propagation protocol development Habitat protection Reintroduction research Continued monitoring

Rita Dodge
  • 01/01/2010

Seed conservation Propagation protocol development Reintroduction research

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Photos
Nomenclature
Taxon Astragalus equisolensis
Authority Neese & Welsh
Family Fabaceae
CPC Number 405
ITIS 192454
USDA ASEQ
Common Names Horseshoe milkvetch | Elizabeth's milkvetch
Associated Scientific Names Astragalus equisolensis | Astragalus desperatus var. neeseae | Astragalus desperatus
Distribution Uintah County, Utah.Mesa County, Colorado
State Rank
State State Rank
Colorado S1
Utah S1
Habitat

Sand and sandy silt soils in a desert shrub vegetative community.

Ecological Relationships

Unknown

Pollinators
Common Name Name in Text Association Type Source InteractionID

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