Cuphea viscosissima Jacq.

Cuphea viscosissima Jacq.. Cuphea viscosissima, also known as waxbush, blue waxweed, clammy cuphea or (ambiguously) as "tarweed", is an herbaceous plant in the loosestrife family. It native to the eastern United States, where it is most often found in open, rocky calcareous areas. It is the most common and widespread Cuphea in the U.S.