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Nuttall's milkvetch

Scientific Name: Astragalus nuttallii var. virgatus

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Nuttall's Milkvetch (Astragalus nuttallii)

Astragalus nuttallii, commonly known as Nuttall's milkvetch, is a species of milkvetch found in specific regions. This plant has several interesting characteristics and ecological interactions.

Considerations for Pets

  • The plant is also referred to as "locoweed," which may indicate potential toxicity concerns. More research is needed to determine specific effects.
  • As part of the pea family (Fabaceae), the seed pods could present a choking hazard if ingested.

Considerations for Children

  • As part of the pea family (Fabaceae), the seed pods could present a choking hazard if ingested.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus nuttallii (Torr. & A. Gray) J.T. Howell
  • Common Name: Nuttall's Milkvetch
  • Family: Fabaceae (Pea Family)
  • Kingdom: Plantae
  • Taxonomic Rank: Species, Variety (Astragalus nuttallii var. nuttallii, Astragalus nuttallii var. virgatus)
  • Synonyms:
    • Astragalus nuttallianus DC.
    • Astragalus menziesii A. Gray
  • USDA Symbol: ASNU4

Distribution and Habitat

  • Native to California and Baja California.
  • Grows on coastal bluffs, along the coastal strand, sand dunes, and rocky areas.
  • Prefers harsh conditions with salt spray or drought.

Morphological Characteristics

  • Erect plant, growing on average six to twelve inches tall.
  • Flowers can be white, pink, lavender, or light.
  • Plants in harsh conditions may be soft, fuzzy gray.

Ecological Role

  • Nitrogen-fixing plant.
  • Interacts with blister beetles, as evidenced by photos of *Nuttall's Blister Beetle* on its flowers.

Quirky Facts

  • Some varieties develop large inflated seed pods.

Further Information

  • California Native Plant Society (San Diego Chapter): WWW.CNPSSD.ORG
  • Dave's Garden (community for sharing gardening tips and ideas)