Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
VesGoose said:... flower stem is very sturdy...
To make an ID we need more than one photo so we ask questions. Sometimes lots of questions.
You have stated that the stem is sturdy, but please, is it square? Knowing that will help narrow the identification.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"