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Robbins' milkvetch

Scientific Name: Astragalus robbinsii var. alpiniformis

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Robbins' Milkvetch: A Delicate Beauty of North America

Robbins' milkvetch, scientifically known as Astragalus robbinsii, is a captivating plant found across North America. This page delves into its taxonomy, distribution, and other fascinating details.

Common Names

  • Robbins' milkvetch
  • Robbins' milk vetch

Taxonomy and Nomenclature

  • Scientific Name: Astragalus robbinsii (Oakes) A. Gray
  • Family: Fabaceae (Pea family)
  • Genus: Astragalus
  • Species: robbinsii
  • Rank: Species

Several subspecies and varieties are recognized, including:

  • Astragalus robbinsii var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc.
  • Astragalus robbinsii var. minor (Hook.) Barneby
  • Astragalus robbinsii var. fernaldii

Synonyms for some varieties include:

  • Astragalus jesupii (synonym for Jesup's milkvetch, sometimes considered a variety of A. robbinsii)
  • Astragalus robbinsii var. jesupi (synonym for Jesup's milkvetch, sometimes considered a variety of A. robbinsii)
  • Atelophragma jesupii (synonym for Jesup's milkvetch, sometimes considered a variety of A. robbinsii)

Distribution and Habitat

This milkvetch exhibits a disjunct distribution, meaning it is found in geographically separated regions. Specifically, it has populations in both western and northeastern North America.

Morphological Characteristics and Growth Habits

  • Robbins' milkvetch is described as a forb/herb and a perennial plant.
  • It is described as being large and can reach 17 m in height.
  • It is not an evergreen, losing its leaves in the autumn and turning yellow.

Ecological Role

Applegate's milk vetch is listed as endangered both statewide.

Further Information

  • Discover Life offers information on the biology, natural history, ecology, identification, and distribution of Astragalus robbinsii.
  • Dave's Garden offers tips and ideas for gardens, along with seeds and plants.
  • Encyclopedia of Life provides more information on the Milk-vetch.