Wild Florida Photo - Stachytarpheta - porterweed genus
Three different porterweeds can be found in Florida, one native, one non-native invasive and a hybrid of the two.
plant in bloom
For an in depth look at the genus Stachytarpheta in Florida, see the Roger Hammer article "The So-called Porterweeds" from the Florida Native Plant Society Miami-Dade chapter newsletter The Tillandsia
at the FNPS Pinellas Chapter website
Species of the Stachytarpheta genus in the Wild Florida Photo database:
The genus Stachytarpheta is a member of the Verbenaceae - Verbena family.