androdioecious
adjective
an·dro·di·oe·cious
variants or androdiecious
¦an-drō-(ˌ)dī-¦ē-shəs
: having perfect and staminate flowers on different plants
androdioecism noun
ˌan-drō-ˌdī-ˈē-ˌsi-zəm
androdioecy noun
ˌan-drō-ˈdī-ˌē-sē
They estimate that less than 1 percent of flowering plants have both hermaphroditic and male plants, a mating system called androdioecy. 
Susan Milius, Science News, 14 Aug. 1999
Susan Milius, Science News, 14 Aug. 1999 
Word History
Etymology
andr- + dioecious, diecious
First Known Use
1878, in the meaning defined above