Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
Looks like you did a pretty good job of identifying already.
If the plant/seeds escapes it could have dire consequences.
Some think the plant may have psychoactive properties, but...
Probably best to destroy the plant before it gets out of hand.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"