Someone that wanted to feed the monarch caterpillars might ought to appreciate this plant.
https://bioone.org/journals/Jo...
I have some similar milkweed vines...
Matelea carolinensis... both maroon and yellow flower forms
Also Gonolobus suberosus.
Until we see flowers...
Can't positively rule out something nicer... Although... The matelea is far less aggressive than honeyvine is said to be.