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rare loco milkvetch

Scientific Name: Astragalus leptocarpus

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Astragalus leptocarpus: Rare Loco Milkvetch

Astragalus leptocarpus, commonly known as rare loco milkvetch or slimpod milkvetch, is a plant in the pea family (Fabaceae). It is also sometimes referred to simply as milkvetch or locoweed.

Considerations for Pets

  • The plant is sometimes called "locoweed," a name that stems from the effects some Astragalus species have on livestock.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus leptocarpus Torr. & A. Gray
  • Family: Fabaceae (Pea Family)
  • Kingdom: Plantae
  • Taxonomic Rank: Species
  • Synonyms: Hamosa leptocarpa (Torr. & A. Gray) Rydb., Hamosa leptocarpa

Common Names

  • Rare Loco Milkvetch
  • Slimpod Milkvetch
  • Milkvetch
  • Locoweed
  • Bodkin Milk-Vetch

Distribution and Habitat

Astragalus leptocarpus is native to the L48 region of the United States. Field work for locations will continue to be mapped for this rare plant in 2011.

Morphological Characteristics and Growth Habits

  • Astragalus leptocarpus is a perennial forb/herb, meaning it is a non-woody plant that is not a grass and lives for more than two years.
  • It produces a small pod with a groove along the top, characteristic of the legume family.
  • The plant can be grown in the garden and is tolerant of cold weather and harsh minimum temperatures.

Ecological Role

Some species of Astragalus, including locoweed, are known to impact livestock, although the specific effects of Astragalus leptocarpus are not detailed in the text.

Quirky Facts

  • The common name "locoweed" is derived from the effects that some Astragalus species have on livestock.
  • "Milkvetch" is said to be the designation for less poisonous species (or rather, less immediately poisonous species).

Further Information

  • Dave's Garden
  • Discover Life
  • USDA Plants Database
  • iNaturalist.org
  • Minnesota Department of Natural Resources Rare Species Guide