CPC Plant Profile: Fisher Milkvetch
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Plant Profile

Fisher Milkvetch (Astragalus piscator)

Description
  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Fabaceae
  • State: AZ, CO, UT
  • Nature Serve ID: 143329
  • Date Inducted in National Collection:

A spreading, short-lived perennial herb, up to 3 dm wide. Bright pink-purple flowers bloom from late April-early June. (NatureServe). Plants have three to ten pink pea type flowers on leafless stems. Stems are erect when in flower, and often spread out at the base of the leaves when in fruit. The foliage is covered with appressed hairs and is yellowish-green on top and gray-green below (CNHP).

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Updates
Nature Serve Biotics
  • 05/02/2017

Known only from about 10 locations in close proximity to the Colorado River in Grand, San Juan, and Wayne counties, Utah and from the canyon of the Delores River in Mesa County, Colorado. Also found in Arizona. Many sites have not been surveyed for 20+ years. Threats include road maintenance and construction.

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

The primary issue in Colorado at this time is considered to be road construction and maintenance (CNHP Scorecard 2008). The Colorado occurrences are partially within the BLM Palisade Wilderness Study Area, the Palisade Area of Critical Environmental Conce

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

Hundreds, perhaps thousands of plants rangewide. (NatureServe)

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

Unknown

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

On BLM Sensitive Species list

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

Unknown

Barneby & Welsh, Mary VB Goshorn
  • 01/01/2010

Unknown

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Photos
Nomenclature
Taxon Astragalus piscator
Authority Barneby & S.L.Welsh
Family Fabaceae
CPC Number 13247
ITIS 192819
USDA ASPI6
Common Names Fisher Milkvetch
Associated Scientific Names Astragalus piscator
Distribution Colorado (Mesa County), Utah (Garfield, Grand, San Juan and Wayne Counties) (NatureServe)
State Rank
State State Rank
Arizona S1
Colorado S1
Utah S2
Habitat

Sandy soils of valley benches and in gullied foothills, on Moenkopi, Cutler, and White Rim formations, 1550-1750 m., Utah (Welsh et al. 1987). In Colorado, on alluvial terraces (benches) along the Dolores River, in open areas with sandy soils; also in disturbed sandy habitats along the road. (NatureServe).

Ecological Relationships

Unknown

Pollinators
Common Name Name in Text Association Type Source InteractionID
Reintroduction
Lead Institution State Reintroduction Type Year of First Outplanting

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