It is an herbaceous vine with narrow opposite leaves.
It is a host plant for the caterpillars of various butterfly species as well as Sephina gundlachii.
[2] It grows in the Southeastern U.S. and Caribbean and is native in the Bahamas, Cuba, Dominican Republic, Florida, Georgia, Haiti, Jamaica, Mississippi, Puerto Rico and South Carolina.
Caterpillars of the faithful beauty moth (Composia fidelissima) are thought to feed on it.
[4] A climbing milkweed vine it reaches about 5 feet tall.