Verbena

Description:

Family: Verbenaceae
Planta Perenne, Rastrera
Flor: Blanca, púrpura a azul, 5 pétalos
Tamaño: 40 cm.

Habitat:

Pre cordillera de la región metropolitana de Chile.

Lower mountain areas in central Chile.

Notes:

http://es.wikipedia.org/wiki/Verbena_%28...
http://floradechile.cl/dicotyle/family/v...

I'm not totaly positive about this ID, there are many Verbenas in Chile and have found only a few on the interwebs and books I have access to. But it's close enough for me to asign it the ID.