unuxorial
/ˌjuːnʌkˈsɔːriəl/Definitions
1. adjective
of, relating to, or resembling a union of two different things, especially two animals or plants
“The unuxorial relationship between the two species of flowers is quite unique.”
2. noun
a union of two different things, especially two animals or plants
“The scientists studied the unuxorial between the two species of birds.”