SafePlants

Zion Milkvetch (Astragalus zionis)

Considerations for Pets

• This plant is a member of the legume family (Fabaceae).
• Some *Astragalus* species are known as "locoweed" and can be toxic to livestock; the effects on domestic pets are less clear.
• The text mentions hairy leaflets, which might be irritating if ingested.

Considerations for Children

• This plant is a member of the legume family (Fabaceae).
• Some *Astragalus* species are known as "locoweed" and can be toxic to livestock; the effects on humans are less clear.
• The text mentions hairy leaflets, which might be irritating if handled or ingested.

Common Names

• Zion Milkvetch
• Locoweed (general name for some *Astragalus* species)

Taxonomy and Nomenclature

• Scientific Name: Astragalus zionis M.E. Jones
• Family: Fabaceae (Pea or Legume Family)
• Genus: Astragalus L.
• Varieties:
  • Astragalus zionis var. zionis M.E. Jones
  • Astragalus zionis var. vigulus S.L. Welsh

Distribution and Habitat

• Primarily found in Zion National Park, Utah, USA.
• Specifically mentioned locations include Zion Canyon and Washington County.

Morphology and Growth Habits

• Low-spreading plant.
• Compound leaves with many pairs of opposite, rather silvery and hairy leaflets.
• The flowers are described as purple and pea-type.
• One of the earliest flowers to bloom in Zion Canyon.

Ecological Role

• The plant increases the diversity of Zion National Park by growing on "odd soils".

Quirky Facts

• It doesn't bloom every year.
• It is one of the earliest flowers to bloom in Zion Canyon.

Related Species

• Astragalus ampullarioides (Shivwits Milkvetch)
• Astragalus praelongus (Rattleweed or Stinking Milkvetch)

Further Information

• Discover Life: Discover Life's page about Astragalus zionis
• Encyclopedia of Life: Astragalus zionis M.E. Jones. Go to Encyclopedia of Life Family: Fabaceae.