These photos are accessed from the UC ANR Repository, are available courtesy of University of California research and extension personnel and programs, including the UC Statewide IPM Project.

Walnut pistillate flowers.	Walnut pistillate flowers (female), receptive to pollination.	Walnut shoot w/male flowers maturing; open female flowers.
Photo by JKClark. UC IPM Project, ©UC Regents	Photo by JKClark. UC IPM Project, ©UC Regents	Photo by JKClark. UC IPM Project, ©UC Regents