Cestrum parqui

Cestrum parqui_Mike Perlmutter
Photo by Mike Perlmutter

Common names: willow jessamine

Cestrum parqui (willow jessamine) is a tree (family Solanaceae) with yellow flowers and narrow leaves found in the San Francisco Bay area and south coast ranges of California. It is native to South America. It favors grasslands. It spreads via seeds and root suckers. Seeds are dispersed by birds, water and dumped garden waste.

Cal-IPC Rating: Watch

Cal-IPC Assessment

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

Cal-IPC Symposium Presentations

None for this species.

Other Cestrum parqui Information

  • CalPhotos - Images of plants taken mostly in California.
  • CalFlora - Distribution information based on submitted observations and herbarium specimens.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Federal database with information on identification and distribution, and links to websites in individual states.