Sphaerophysa salsula

Sphaerophysa salsula_C135-02
Photo: UC Davis Weeds of California

Common names: alkali swainsonpea

Sphaerophysa salsula (alkali swainsonpea) is a perennial herb/ (family Fabaceae) with red flowers and small oval-shaped leaves found in the San Joaquin Valley in California. It is native to Asia. It favors grasslands. It spreads via water and contaminated alfalfa seed.

Cal-IPC Rating: Watch

CDFA Rating: -*?


Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Weed Management Notes

  • Management Notes - Information on management techniques and effectiveness from the University of California Cooperative Extension’s Weed Research & Information Center.

Cal-IPC Newsletter Articles

There are no newsletter articles associated with this species yet.

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

There are no Symposium presentations associated with this species yet.

Other Sphaerophysa salsula Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • Jepson Interchange - Information on this plant's taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Sphaerophysa salsula_flowers and leaves_copyright2001_FredHrusa(CDFA)
    Sphaerophysa salsula (alkali swainsonpea) flowers and leaves. Photo: &#169 2001 Fred Hrusa, CDFA
    Sphaerophysa salsula_fruit_RichardSpellenberg
    Sphaerophysa salsula (alkali swainsonpea) fruit. Photo: Richard Spellenberg
    Sphaerophysa salsula_seeds in fruit (cross-section)_RichardSpellenberg
    Sphaerophysa salsula (alkali swainsonpea) seeds in fruit (cross-section). Photo: Richard Spellenberg
    Sphaerophysa salsula_growth habit_RichardSpellenberg
    Sphaerophysa salsula (alkali swainsonpea) growth habit. Photo: Richard Spellenberg