CPC Plant Profile: Naturita Milkvetch
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Plant Profile

Naturita Milkvetch (Astragalus naturitensis)

Description
  • Global Rank: G3 - Vulnerable
  • Legal Status: N/A
  • Family: Fabaceae
  • State: CO, NM, UT
  • Nature Serve ID: 133556
  • Date Inducted in National Collection:

A low, tuft-forming perennial herb, about 1 dm tall, growing from a basal rosette of leaves. Flowers (April-May) have white upper petals and red-purple lower petals. The plants are often only vegetative, and have extremely small pinnate leaves with tiny gray-green leaflets that tend to fold in half, showing their lighter-colored undersides. The pods are red-mottled, firm-walled, and dorsiventrally compressed. (NatureServe, accessed 2013)

Participating Institutions
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Updates
  • 08/26/2020
  • Demographic Research

Denver Botanic Garden has done annual demographic monitoring since 1995.

  • 08/26/2020
  • Orthodox Seed Banking

DBG has collected seed of this species and stored them at NCGRP in Fort Collins.

  • 08/26/2020
  • Seed Collection

DBG has collected seed of this species and stored them at NCGRP in Fort Collins.

Nature Serve Biotics
  • 05/02/2017

Known from Colorado, New Mexico, and Utah in the Four Corners area. Between 40 and 50 extant occurrences and about half of those sites are in good condition with healthy population numbers. Primary threats energy development and recreation. Plants are thought to respond positively to some disturbance. There are a number of historic occurrences that should be surveyed to determine if habitat, or plants, are still present.?

Payson
  • 01/01/2010

Uranium claims, housing, crop/farming area. Plant seems to tolerate and even thrive on some disturbance. (NatureServe, accessed 2013)

Payson
  • 01/01/2010

There are 35 principal occurrences documented in the Colorado Natural Heritage Program data system. 10 of the 35 occurrences have not been observed in over twenty years.

Payson
  • 01/01/2010

Denver Botanic Garden has done annual demographic monitoring since 1995.

Payson
  • 01/01/2010

On BLM Sensitive species list

Payson
  • 01/01/2010

Unknown

Payson
  • 01/01/2010

DBG has collected seed of this species and stored them at NCGRP in Fort Collins.

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Photos
Nomenclature
Taxon Astragalus naturitensis
Authority Payson
Family Fabaceae
CPC Number 452
ITIS 25597
USDA ASNA
Common Names Naturita Milkvetch | Naturita milk-vetch
Associated Scientific Names Astragalus naturitensis | Astragalus arietinus var. stipularis | Astragalus naturitensis var. typicus | Astragalus stipularis | Xylophacos stipularis
Distribution Known from New Mexico, Utah, the Navajo Nation and Colorado (Garfield, Mesa, Montezuma, Montrose and San Miguel counties). (NatureServe, accessed 2013)
State Rank
State State Rank
Colorado S2S3
New Mexico S2
Utah S1
Habitat

Cracks and ledges of sandstone cliffs and flat bedrock area with some shallow soil development, within pinyon-juniper woodland. 1650-2050 m. (NatureServe, accessed 2013)

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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