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barren milkvetch
Scientific Name: Astragalus cusickii var. sterilis
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Barren Milkvetch (Astragalus cusickii var. sterilis)
Common Names
- Barren Milkvetch
- Sterile Milkvetch
- Cusick's Milkvetch
- Packard's Milkvetch
Taxonomy and Nomenclature
- Scientific Name: Astragalus cusickii A. Gray var. sterilis (Barneby) Barneby
- Family: Fabaceae (Pea or Legume Family)
- Synonyms:
- Astragalus sterilis
- Phaca cusickii (A. Gray) Rydb.
Distribution and Habitat
- Inhabits dry, barren ashy areas on gravelly and sandy clay bluffs.
- Found on dry, hard, white, barren saline, clay flats, knolls, and slopes.
- Specific locations include Nye County, Nevada and the Amargosa River area.
- Also found in deep, barren, sandy, gravelly, or clay soils derived from sandstone.
- Occupies open eroding slopes, ridgetops, barren clay buttes, and dry subalpine meadows.
Morphological Characteristics
- Slender, sparsely leafy perennial.
- Clustered stems, typically 10-70 cm tall.
Additional Astragalus Species Mentioned:
- Astragalus canadensis (Canada Milkvetch, Canadian Milkvetch)
- Astragalus atratus var. owyheensis (Owyhee Mning Milk-vetch)
- Astragalus camptopus
- Astragalus vallaris (Stiff Milkvetch or Idaho Milkvetch)
- Astragalus conjunctus (Packard's Milkvetch)
- Astragalus cusickii var. packardiae (Barren Milkvetch)
- Astragalus terminalis (Railhead Milkvetch)
- Astragalus eremiticus (Hermit Milkvetch)
- Astragalus atratus (Mning Milkvetch)
- Astragalus nuttallianus (Smallflowered Milkvetch)
- Astragalus neglectus (Cooper's Milk Vetch)
- Astragalus drabelliformis
- Astragalus adsurgens (Erect Milkvetch)
- Astragalus diaphanus
- Astragalus holmgreniorum (Holmgren's Milkvetch)
- Astragalus jaegerianus (Lane Mountain Milkvetch)
- Astragalus tennesseensis (Milk-vetch)
- Astragalus distortus (Ozark Milk-vetch)