Certified GKH Gardening Expert
You will need, both, a male and female plants in this case. A clone from one sex or the other will remain that sex.
In plants, there is a way to cause a sex change, chemically, but this is done with chemicals that are less than safe to work with.
Thanks BushDoctor but I don't think you are correct. Although Akebia is not self fertilizing it does bear both male and female flowers: