Pollen created by trees, which is used in fertilization, that some people may consider sex. Usually used by humans which are allergic to the pollen, dendrophiliacs, or those inclined toward anthropomorphism.
by Chris Fancsy October 23, 2006
A jizz tree is the term for the Bradford Pear tree (Pyrus calleryana) whose flowers emit a smell like semen.
Comedian Bob Kelly once puked when smelled his mic screen after it was smeared with flowers from jizz tree.
by Watsonia February 18, 2014