Cuphea viscosissima

It native to the eastern United States,[6] where it is most often found in open, rocky calcareous areas.

[7][8] It is the most common and widespread Cuphea in the U.S.[9] This species is notable for its sticky stems.

It produces a purple-red flower in late summer.

[8] This species is morphological similar to Cuphea lanceolata, which is found in Mexico.

It can be distinguished from Cuphea lanceolata by its smaller flower.