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timber milkvetch

Scientific Name: Astragalus miser var. miser

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Timber Milkvetch (Astragalus miser)

Timber Milkvetch, scientifically known as Astragalus miser, is a plant within the Astragalus genus. It is also commonly referred to as Timber Milk-vetch.

Considerations for Pets

  • Timber Milkvetch is reported to be a poisonous plant that can affect cattle and occasionally sheep.
  • Honey bees that forage on the flowers of timber milk-vetch have also been poisoned.

Considerations for Children

  • As a member of the Pea family, Timber Milkvetch has a characteristic pea flower and pod.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus miser
  • Common Name: Timber Milkvetch, Timber Milk-vetch, Weedy Milkvetch, Yellowstone milkvetch, prostrate milkvetch, woody milkvetch
  • Family: Fabaceae (Pea family)
  • Genus: Astragalus
  • Synonyms:
    • Astragalus miser Douglas ex Hook. var. miser
    • Astragalus miser var. serotinus
    • Astragalus decumbens var. serotinus
    • Astragalus serotinus
  • Subspecies: Astragalus miser var. crispatus

Distribution and Habitat

Timber Milkvetch is found in:

  • Canada: Alberta, British Columbia
  • United States: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa

Morphological Characteristics

  • Timber Milkvetch is a member of the Pea family and has the characteristic pea flower and pod.

Ecology

  • Relating germination requirements of timber milkvetch to seral stage in the Interior Douglas-fir zone.

Interactions with Other Organisms

  • Livestock, particularly cattle, are susceptible to poisoning from Timber Milkvetch.
  • Honey bees can be poisoned by foraging on the flowers.

Additional Information

  • The PLANTS Database (USDA, NRCS) is a valuable resource for information about Timber Milkvetch.
  • ResearchGate hosts discussions on the treatment of Timber Milkvetch poisoning.