WHAT FLORIDA NATIVE PLANT IS BLOOMING TODAY?: GROUNDSEL TREE; SEA MYRTLE (Baccharis halimifolia)
This plant is dioecious and the photo depicts the female of the species. Also called Saltbush or Silverling.
Works as a specimen tree or can be pruned to create a hedge. Somewhat aggressive.
Larval host for Grounsel Beetle. Leaves can be used to make a dye.
Native American Ethnobotany for this genus: http://herb.umd.umich.edu/herb/search.pl?searchstring=Baccharis