http://plants.usda.gov/java/profile?symbol=CAPA11
This is what people down here call birdseye. Its an invasive exotic weed that farmers hate but doves really like!
False croton (Goatweed is a croton) is another name
LSU will tell you how to kill it, but not grow it! Better pics in here
http://www.lsuagcenter.com/en/crops_...+palustris.htm