Lythraceae

Genus: Cuphea
Species: carthagenensis
Author: (Jacq.)J.F. Macbr.
Elevation: Up to 1800m
Avg. Height: Up to 50cm

Source: http://tropical.theferns.info/viewtropical.php?id=Cuphea+carthagenensis
Photo Source: http://eol.org/pages/592368/media