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coastal dunes milkvetch

Scientific Name: Astragalus tener var. titi

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names: CA (coastal dunes milk-vetch)

       

Coastal Dunes Milk-vetch

The Coastal Dunes Milk-vetch (Astragalus tener var. titi) is a rare and endangered plant found in specific coastal habitats.

Considerations for Pets

  • Belongs to the pea family (Fabaceae or Leguminosae), which contains plants with varying levels of toxicity to animals.
  • Presence in coastal dunes and alkaline areas, which may be accessible to pets.

Considerations for Children

  • Belongs to the pea family (Fabaceae or Leguminosae), which contains plants with varying levels of toxicity.
  • Presence in coastal dunes and alkaline areas, which may be accessible to children.

Nomenclature and Taxonomy

  • Scientific Name: Astragalus tener var. titi
  • Common Names: Coastal Dunes Milk-vetch, Coastal Dune Locoweed
  • Family: Fabaceae (also known as Leguminosae)
  • Kingdom: Plantae
  • Taxonomic Rank: Variety
  • Synonyms: Astragalus tener A. Gray var. titi (Eastw.) Barneby, Astragalus titi (formerly considered a full species but now classified as a variety of Astragalus tener)
  • Element Code: PDFAB0F8R2

Distribution and Habitat

  • Found in coastal regions, including:
    • Coastal dunes
    • Disturbed coastal prairie
    • Deep heavy clay soil of wave terraces
    • Vernally moist dune hollows
    • Alkaline areas (e.g., Santa Margarita river estuary)
    • Moist, sandy depressions in coastal bluff scrub
    • Historically found in San Diego, Los Angeles, and Monterey counties in California.
  • Prefers locations with at least a few hours of direct sunlight.

Ecological Role

  • Critically threatened and in danger of extinction.
  • Important part of the reason that Coastal San Diego County contains such a diversity of bird species.
  • Associated with coastal sage scrub, chaparral, and coastal strand communities.

Morphological Characteristics

  • Annual herb.
  • Described as a "low, dwarf annual plant".
  • Growth type: Forb/herb.
  • Slender, slightly pubescent (downy) appearance.

Additional Notes

  • The species is on the U.S. Endangered Species List and classified as endangered in California.
  • The database entry for this plant is currently incomplete.