Galega officinalis

Galega officinalis_Louis-M. Landry
Photo: Louis M. Landry

Common names: professorweed

Galega officinalis (professorweed) is a perennial /subshrub (family Fabaceae) with white to purple flowers and thin narrow leaves found in northwestern California. It is native to the Middle East. It favors grasslands and riparian and bottomland habitat. It reproduces by seed and is spread in animal manure, irrigation water, and through agricultural activities.

Cal-IPC Rating: Watch

CDFA Rating: A*?


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

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.

Other Galega officinalis 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.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Galega officinalis_inflorescence_copyright2011_Louis-M. Landry
    Galega officinalis (professorweed) inflorescence. Photo: &#169 2011 Louis M. Landry
    Galega officinalis_leaf_copyright2008_Louis-M. Landry
    Galega officinalis (professorweed) leaf. Photo: &#169 2008 Louis M. Landry