I Want Bitter Sweet Flowers This Fall

Question

How to tell by branches if i have a male and female branch

Answer 1

This will be impossible. You will need to look at the sex organs of the flowers, unless you have access to a lab that does this kind of work.

https://www.gardeningknowhow.com/ornamental/vines/bittersweet/growing-bittersweet-vines.htm