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Torrey's milkvetch

Scientific Name: Astragalus calycosus var. monophyllidius

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Torrey's Milkvetch (Astragalus calycosus)

Astragalus calycosus, commonly known as Torrey's milkvetch, is a native perennial herb found in specific regions of the United States.

Considerations for Pets

  • Some common names include "matted poison milkvetch" and "mattedmilkvetch," suggesting potential concerns.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus calycosus Torr. ex S. Watson
  • Common Name: Torrey's milkvetch
  • Family: Fabaceae (Pea Family)
  • Genus: Astragalus L.
  • Synonyms and Alternative Names:
    • Matted poison milkvetch
    • Mattedmilkvetch
  • Subordinate Taxa:
    • Astragalus calycosus var. calycosus
    • Astragalus calycosus var. monophyllidius
    • Astragalus calycosus var. scaposus

Distribution and Habitat

  • Torrey's milkvetch is native to Southern and Central California, primarily in the Desert Mountains region.
  • It also grows in Utah.
  • It has been found in sagebrush flats in drainages, such as in Buck Mountain, White Pine County, NV.
  • It can be found growing on outcrops of dolomite, such as in Gold Hill, Tooele Co., Utah.

Morphological Characteristics

  • It is a perennial herb.
  • It has short, compound leaflets.
  • It produces clusters of 1 to 8 flowers.

Traditional Uses

  • The Navajo, Kayenta people used it as a lotion for illness from exposure.

Interactions with Other Organisms

  • Torrey's milkvetch serves as a larval host plant for some butterflies.
  • It is known to co-occur with Deseret milkvetch (Seed POdS / Ben Franklin. N. &quot p).

Further Information

  • RHS (Royal Horticultural Society) provides information on Astragalus calycosus var. calycosus.
  • USDA-NRCS PLANTS Database hosts information.
  • Discover Life provides details on the biology, natural history, ecology, identification, and distribution.
  • Dave's Garden is a community that shares tips and ideas for gardens.
  • Encyclopedia of Life has a page for Astragalus calycosus Torr. ex S. Wats.