Lamiaceae

Genus: Ocimum
Species: campechianum (AKA micranthum)
Author: Mill.
Elevation: Up to 1300m
Avg. Height: 40cm

Source: http://tropical.theferns.info/viewtropical.php?id=Ocimum+campechianum
Photo Source: http://tropical.theferns.info/image.php?id=Ocimum+campechianum