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mourning milkvetch

Scientific Name: Astragalus atratus var. mensanus

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Astragalus atratus

Also known as Mning Milkvetch.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus atratus S. Watson
  • Family: Fabaceae (implied by the text's mention of "legumes")
  • Synonyms/Variations:
    • Astragalus atratus var. atratus
    • Astragalus atratus var. mensanus M.E. Jones
    • Astragalus atratus var. owyheensis
    • Astragalus atratus var. inseptus

Common Names

  • Mning Milkvetch
  • Henderson's milk vetch, Henderson's milkvetch
  • Humboldt milk vetch, Humboldt milkvetch
  • Fairfield Milkvetch

Morphological Characteristics and Growth Habits

  • Astragalus atratus is described as a forb/herb, meaning it's a non-woody plant that is not a grass.
  • The text mentions an erect stem that is bare in the lower part, with ramifications developing towards the top.
  • It is a perennial herb.

Distribution and Habitat

This plant is mentioned in connection to Owyhee, Idaho, and Lander Co. This suggests a presence in the Western United States.

Interactions with Other Organisms

While not specifically related to Astragalus atratus, the text mentions that white-tailed deer eat the leaves of Brazos Milkvetch and mning doves occasionally eat the seeds of Brazos Milkvetch, suggesting that other milkvetches may also serve as a food source for animals.

Related Species

The text also lists other species of Astragalus, which gives an idea of related plants:

  • Astragalus canadensis Canada milkvetch, Canadian milkvetch
  • Astragalus accidens, Rogue River milkvetch
  • Astragalus alpinus var. brunetianus, Alpine milkvetch
  • Astragalus allochrous, halfmoon milkvetch
  • Astragalus asymmetricus, San Joaquin milkvetch
  • Astragalus beckwithii var. weiserensis, Beckwith's Milk-vetch
  • Astragalus purshii, Woollypod Milkvetch

Resources

  • USDA PLANTS database
  • Discover Life